{"title":"DSS Racing Pistons for Dodge Magnum HEMI","description":"\u003cp\u003eUpgrade Your Dodge Magnum HEMI with DSS Racing Pistons\u003c\/p\u003e\n\u003cp\u003eOur collection features premium DSS Racing pistons designed specifically for your Dodge Magnum HEMI. Built for strength, durability, and enhanced performance, these pistons are ideal for your engine rebuild or performance upgrade. Whether you're aiming for increased power, improved response, or reliable operation under boost, our pistons deliver the quality you need.\u003c\/p\u003e\n\u003cp\u003eIn this category, you'll find a selection of high-performance pistons crafted to fit your Dodge Magnum HEMI precisely. These components are engineered to optimize combustion, reduce weight, and support your vehicle’s power goals. Perfect for enthusiasts seeking to improve engine response and longevity, our pistons help you achieve a more responsive and reliable driving experience.\u003c\/p\u003e\n\u003cp\u003eShop performance pistons for your Dodge Magnum HEMI at FastHemis.\u003c\/p\u003e","products":[{"product_id":"6847-4100-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-100-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series +4cc Dome Top Forged Piston Set: Fits Dodge \/ Chrysler \/ Jeep 6.1L SRT8","description":"\u003ch3\u003eDSS Racing FX Series +4cc Dome Top Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4100D \/ 2-6847-4100D \/ 3-6847-4100D \/ K1-6847-4100D \/ K2-6847-4100D \/ K3-6847-4100D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series +4cc Dome Top Forged Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, delivering enhanced performance and reliability. Designed to fit most 6.1L SRT8 models, these pistons are ideal for enthusiasts seeking to upgrade their engine’s durability and compression ratio for improved power output.\u003c\/p\u003e\u003cp\u003eBuilt with precision and attention to detail, this piston set offers a +4cc dome top design that increases the compression ratio, optimizing combustion efficiency. Whether you are rebuilding your engine or upgrading for higher performance applications, these pistons provide a solid foundation for sustained power and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced design elements and materials to meet the demands of high-performance Mopar Hemi engines:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 378 Small Block Mopar Hemi Gen III engines\u003c\/li\u003e\n\u003cli\u003e+4cc dome top design for increased compression and power\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches for precise piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927 inches, available in full-floating or press-fit options\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring\u003c\/li\u003e\n\u003cli\u003eOptimized for a 4.100\" bore and 3.578\" stroke\u003c\/li\u003e\n\u003cli\u003eRod length compatibility of 6.243 inches\u003c\/li\u003e\n\u003cli\u003eApproximate compression ratios vary by combustion chamber size: 65cc (12.12:1), 74cc (10.84:1), 85cc (9.64:1)\u003c\/li\u003e\n\u003cli\u003eDurable forged construction for enhanced strength and heat resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing’s FX Series pistons are crafted from high-quality forged aluminum alloy, providing superior strength and thermal conductivity compared to cast pistons. The dome top design increases the compression ratio, improving combustion efficiency and power output without compromising reliability.\u003c\/p\u003e\u003cp\u003eThe pistons feature precision-machined ring grooves and pin bores to ensure optimal ring seal and wrist pin fitment. The option for full-floating or press-fit pins allows customization based on engine build preferences. This meticulous engineering supports high RPM operation and aggressive driving conditions typical of SRT8 performance applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines with a 4.100\" bore. Installation requires standard engine rebuild procedures, including proper honing and cleaning of the cylinder bores. The choice between full-floating or press-fit wrist pins should be matched to your engine’s specifications and performance goals.\u003c\/p\u003e\u003cp\u003eDue to the increased compression ratio, it is recommended to verify compatibility with your engine’s fuel and tuning setup to avoid detonation. Professional installation is advised to ensure optimal performance and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged +4cc dome top pistons (quantity as per engine requirements)\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit, depending on selected option)\u003c\/li\u003e\n\u003cli\u003eCirclips or retaining hardware for wrist pins\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is perfect for Mopar enthusiasts and professional engine builders looking to upgrade or rebuild their 6.1L SRT8 engines. It suits applications ranging from street performance to track use where increased compression and durability are desired. Ideal for those aiming to extract more power while maintaining engine reliability under demanding conditions.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381002453204,"sku":"1-6847-4100D","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381002485972,"sku":"2-6847-4100D","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381002518740,"sku":"3-6847-4100D","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381002551508,"sku":"K1-6847-4100D","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381002584276,"sku":"K2-6847-4100D","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381002617044,"sku":"K3-6847-4100D","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002124_4_97df2439-b3d5-488e-bd39-90efca90c391.webp?v=1771667026"},{"product_id":"6847-4125-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-125-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series +4cc Dome Top Forged Piston Set: Fits most Hemi Models","description":"\u003ch3\u003eDSS Racing FX Series +4cc Dome Top Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Gen III Mopar Hemi\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4125D \/ 2-6847-4125D \/ 3-6847-4125D \/ K1-6847-4125D \/ K2-6847-4125D \/ K3-6847-4125D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series +4cc Dome Top Forged Piston Set is engineered specifically for the 6.1L Gen III Mopar Hemi engine, commonly found in Chrysler, Dodge, Jeep, and Ram SRT8 models. Designed to enhance engine performance and durability, these pistons offer a precise combination of lightweight construction and strength to handle high-stress conditions. Ideal for enthusiasts and professional builders seeking reliable, high-quality components for street or track applications.\u003c\/p\u003e\u003cp\u003eWith a +4cc dome top design, these pistons increase compression ratios, delivering improved combustion efficiency and power potential. They are compatible with both full-floating and press-fit wrist pins, providing flexibility for various engine builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced design elements to optimize performance and reliability:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e+4cc dome top for increased compression and power output\u003c\/li\u003e\n\u003cli\u003eForged construction for superior strength and durability under high load\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" to maintain proper piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" compatible with full-floating or press-fit wrist pins\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003eDesigned for 3.578\" stroke and 6.243\" connecting rods typical of 6.1L Gen III Hemi engines\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes (65cc, 74cc, 85cc) to tailor compression ratios from approximately 9.74:1 to 12.24:1\u003c\/li\u003e\n\u003cli\u003ePrecision machining ensures consistent fitment and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eManufactured from high-grade forged aluminum alloy, these pistons deliver an optimal balance of lightweight design and exceptional strength. The forging process refines the metal grain structure, enhancing fatigue resistance and thermal conductivity. The dome top shape is engineered to improve combustion chamber dynamics, promoting efficient flame propagation and power delivery.\u003c\/p\u003e\u003cp\u003eEach piston features carefully machined ring grooves and pin bores to ensure tight tolerances and reliable sealing. The option for full-floating or press-fit wrist pins allows builders to customize assembly based on application requirements and performance goals.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for the 6.1L Gen III Mopar Hemi engines found in many Chrysler, Dodge, Jeep, and Ram SRT8 vehicles. Installation requires standard engine assembly procedures, with attention to proper ring end gap and piston orientation. No major modifications are typically necessary, making them suitable for both rebuilds and performance upgrades.\u003c\/p\u003e\u003cp\u003eConsult your engine builder or service manual for specific torque specs and clearances to ensure optimal performance and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged +4cc dome top pistons (quantity as required for engine configuration)\u003c\/li\u003e\n\u003cli\u003eCompatible wrist pins (full-floating or press-fit options depending on SKU)\u003c\/li\u003e\n\u003cli\u003ePrecision-machined piston rings matching groove specifications\u003c\/li\u003e\n\u003cli\u003eInstallation instructions and technical support documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers who demand increased compression and durability from their 6.1L Gen III Mopar Hemi engines. Whether upgrading a street car for spirited driving or building a track-focused machine, these pistons provide a solid foundation for enhanced power and reliability.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381003239636,"sku":"1-6847-4125D","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381003272404,"sku":"2-6847-4125D","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381003305172,"sku":"3-6847-4125D","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381003337940,"sku":"K1-6847-4125D","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381003370708,"sku":"K2-6847-4125D","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381003403476,"sku":"K3-6847-4125D","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002122_4_462aa115-9d1e-424c-bb2f-e4e748ee5094.webp?v=1771667025"},{"product_id":"6847-4125-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-125-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing Gen III Hemi FX Series Forged Piston Set 6.1L: Fits Chrysler \/ Dodge \/ Jeep \/ Ram (05-10)","description":"\u003ch3\u003eDSS Racing Gen III Hemi FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4125 \/ 2-6847-4125 \/ 3-6847-4125 \/ K1-6847-4125 \/ K2-6847-4125 \/ K3-6847-4125\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Gen III Hemi FX Series Forged Piston Set is engineered specifically for the 6.1L SRT8 engines found in various Chrysler, Dodge, Jeep, and Ram models. Designed to meet the demanding needs of performance enthusiasts and professional builders, these pistons offer exceptional strength and durability under high-stress conditions. Whether you are upgrading your engine for increased power or rebuilding for reliability, this piston set delivers precision fitment and enhanced combustion efficiency.\u003c\/p\u003e\u003cp\u003eBuilt to accommodate the 383 Small Block Mopar Hemi Gen III platform, these pistons feature a +4cc dome top design that optimizes compression ratios for improved power output. Their comp height of 1.21 inches and pin diameter of .927 inches ensure compatibility with full-floating or press-fit wrist pins, providing flexibility for various engine builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced design elements and manufacturing techniques to maximize performance and longevity:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and resistance to detonation\u003c\/li\u003e\n\u003cli\u003e+4cc dome top to increase compression ratio and combustion efficiency\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches tailored for Gen III Hemi applications\u003c\/li\u003e\n\u003cli\u003e.927-inch wrist pin diameter compatible with full-floating or press-fit pins\u003c\/li\u003e\n\u003cli\u003ePrecision ring grooves sized at 1.2mm \/ 1.2mm \/ 3mm for optimal ring seal\u003c\/li\u003e\n\u003cli\u003eDesigned for a 3.578-inch stroke and 6.243-inch connecting rod length\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes (65cc, 74cc, 85cc) to suit different compression ratio needs\u003c\/li\u003e\n\u003cli\u003eCompatible with 6.1L SRT8 engines from Chrysler, Dodge, Jeep, and Ram\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston in the DSS Racing FX Series is forged from high-grade aluminum alloy, providing an excellent balance of lightweight construction and structural integrity. The forging process enhances grain flow and material density, resulting in pistons that withstand extreme heat and pressure typical of high-performance and forced induction engines.\u003c\/p\u003e\u003cp\u003eThe dome top design with a +4cc volume increases the effective compression ratio, improving throttle response and power delivery without compromising reliability. The pistons are engineered with precise ring grooves to maintain optimal ring seal and reduce blow-by, contributing to improved engine efficiency and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for the 6.1L SRT8 Gen III Hemi engines found in Chrysler, Dodge, Jeep, and Ram vehicles. Installation requires standard engine rebuild procedures and may involve balancing and blueprinting for optimal performance. The pistons accommodate either full-floating or press-fit wrist pins, allowing flexibility depending on your build preferences.\u003c\/p\u003e\u003cp\u003eDue to their precise dimensions and compatibility with stock components, minimal modifications are necessary, making them an excellent choice for both performance upgrades and reliable rebuilds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons for 6.1L Gen III Hemi engines\u003c\/li\u003e\n\u003cli\u003eCompatible with full-floating or press-fit wrist pins\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves\u003c\/li\u003e\n\u003cli\u003eMultiple combustion chamber volume options (65cc, 74cc, 85cc)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePerformance enthusiasts upgrading their 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003eEngine builders seeking durable, high-strength pistons for street or track use\u003c\/li\u003e\n\u003cli\u003eRebuilders requiring reliable, OEM-compatible pistons for Chrysler, Dodge, Jeep, and Ram Gen III Hemi engines\u003c\/li\u003e\n\u003cli\u003eApplications demanding improved compression ratios and combustion efficiency\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381003436244,"sku":"1-6847-4125","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381003469012,"sku":"2-6847-4125","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381003501780,"sku":"3-6847-4125","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381003534548,"sku":"K1-6847-4125","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381003567316,"sku":"K2-6847-4125","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381003600084,"sku":"K3-6847-4125","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002121_4_da426128-26ec-4d7c-9f59-9bd549dd2218.webp?v=1771667025"},{"product_id":"6847-4090-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-090-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Pistons Set 6.1L Gen III Mopar Hemi: Fits Chrysler \/ Dodge \/ Jeep (All)","description":"\u003ch3\u003eDSS Racing FX Series Forged Pistons\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4090D \/ 2-6847-4090D \/ 3-6847-4090D \/ K1-6847-4090D \/ K2-6847-4090D \/ K3-6847-4090D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons are precision-engineered performance components designed specifically for the 6.1L Gen III Mopar Hemi engines found in most Chrysler, Dodge, Jeep, and Ram SRT8 models. These pistons offer a perfect balance of strength, durability, and lightweight construction, making them an ideal upgrade for enthusiasts seeking enhanced engine reliability and power potential.\u003c\/p\u003e\u003cp\u003eBuilt to withstand the rigors of high-performance applications, the FX Series pistons deliver improved combustion efficiency and thermal management. Whether you are building a street performance engine or a track-focused machine, these pistons provide the foundation for consistent, high-output operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEngineered with advanced design and manufacturing techniques, the DSS Racing FX Series Forged Pistons include the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged from high-strength aluminum alloy for superior durability and reduced weight\u003c\/li\u003e\n\u003cli\u003e+4cc dome top design to optimize compression and combustion chamber shape\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for precise piston-to-deck clearance and performance tuning\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.578\" stroke and 6.243\" connecting rods for exact fitment\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes (65cc, 74cc, 85cc) to tailor compression ratios from 9.59:1 up to 12.06:1\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the 376 cubic inch Small Block Mopar Gen III Hemi platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons are crafted from premium forged aluminum alloy, providing an excellent strength-to-weight ratio essential for high-revving engines. The forging process enhances grain structure and mechanical properties, resulting in pistons that resist cracking and deformation under extreme heat and pressure.\u003c\/p\u003e\u003cp\u003eThe dome top design with a +4cc volume improves combustion efficiency by promoting better flame propagation and reducing detonation risk. Precision machining ensures tight tolerances for optimal ring sealing and minimal friction. The option for full-floating or press-fit wrist pins allows customization based on engine build preferences and durability requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models equipped with the Gen III Mopar Hemi engine. Installation requires standard engine assembly procedures and may involve balancing and blueprinting for best results. The pistons are compatible with factory stroke and rod lengths, ensuring a straightforward swap in performance rebuilds or upgrades.\u003c\/p\u003e\u003cp\u003eProfessional installation is recommended to verify clearances and ring end gaps, especially when selecting different combustion chamber volumes to adjust compression ratios.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as per engine requirements)\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit options depending on SKU)\u003c\/li\u003e\n\u003cli\u003eRing grooves pre-machined for high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eTechnical specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons are ideal for automotive enthusiasts, engine builders, and racers who demand reliable, high-performance components for their 6.1L Mopar Hemi engines. Whether upgrading a street machine, building a drag racer, or preparing a track car, these pistons provide the strength and precision needed to maximize power and engine longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381003043028,"sku":"1-6847-4090D","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381003075796,"sku":"2-6847-4090D","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381003108564,"sku":"3-6847-4090D","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381003141332,"sku":"K1-6847-4090D","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381003174100,"sku":"K2-6847-4090D","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381003206868,"sku":"K3-6847-4090D","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002120_4_cfacadc2-7538-40d7-8b10-dbbe491ec27b.webp?v=1771667025"},{"product_id":"6847-4100-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-100-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set 4.100 Bore: Fits Chrysler \/ Dodge \/ Jeep 6.1L SRT8 (05-10)","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4100 \/ 2-6847-4100 \/ 3-6847-4100 \/ K1-6847-4100 \/ K2-6847-4100 \/ K3-6847-4100\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing 6.1 Stroker Gen III Hemi FX Series Forged Piston Set is engineered specifically for high-performance applications in Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 6.1L SRT8 engine. Designed to accommodate a 4.100\" bore, these pistons are ideal for enthusiasts and builders looking to enhance engine durability and power output while maintaining reliable street and track performance.\u003c\/p\u003e\u003cp\u003eFeaturing a +4cc dome top design and a comp height of 1.21\", these pistons support increased compression ratios and improved combustion efficiency. Whether you are building a stroker motor or upgrading your factory components, this piston set delivers the strength and precision required for demanding Gen III Hemi builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt with performance and reliability in mind, the DSS Racing FX Series pistons offer the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 4.100\" bore sizes for most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003eForged construction for superior strength and resistance to detonation\u003c\/li\u003e\n\u003cli\u003e+4cc dome top design to optimize compression and combustion\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for precise piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" with options for full-floating or press-fit pins\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2\/1.2\/3mm for reliable ring sealing and reduced friction\u003c\/li\u003e\n\u003cli\u003eDesigned for a 3.578\" stroke and 6.243\" connecting rod length, ideal for stroker builds\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dome volumes (65cc, 74cc, 85cc) to tailor compression ratios from 9.64 to 12.12\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston in the DSS Racing FX Series is crafted from high-grade forged aluminum alloy, providing an excellent balance of lightweight strength and thermal conductivity. The forging process enhances grain structure, resulting in pistons that withstand the extreme pressures and temperatures of high-performance Gen III Hemi engines.\u003c\/p\u003e\u003cp\u003eThe dome top design increases combustion chamber volume, allowing for higher compression ratios without sacrificing detonation resistance. Precision machining ensures tight tolerances for optimal ring fitment and piston-to-cylinder wall clearance, contributing to improved engine efficiency and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models with a 4.100\" bore. Installation requires standard engine assembly procedures, with attention to proper ring end gap and pin installation based on the selected pin type (full-floating or press-fit). Builders should verify piston-to-valve clearance and deck height compatibility when assembling stroker configurations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as required for engine configuration)\u003c\/li\u003e\n\u003cli\u003ePiston pins (full-floating or press-fit options)\u003c\/li\u003e\n\u003cli\u003ePiston rings with 1.2\/1.2\/3mm groove dimensions\u003c\/li\u003e\n\u003cli\u003eInstallation instructions and technical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding 6.1L SRT8 Gen III Hemi engines. It suits applications ranging from street performance to competitive motorsports where increased displacement and compression are desired without compromising durability.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381004320980,"sku":"1-6847-4100","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381004353748,"sku":"2-6847-4100","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381004386516,"sku":"3-6847-4100","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381004419284,"sku":"K1-6847-4100","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381004452052,"sku":"K2-6847-4100","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381004484820,"sku":"K3-6847-4100","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002118_4_f674defd-56c2-45ab-8d20-8ab408dbb956.webp?v=1771667023"},{"product_id":"6847-4085-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-085-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing Forged +4cc Dome Top Pistons: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 (05-10)","description":"\u003ch3\u003eDSS Racing Forged +4cc Dome Top Pistons\u003c\/h3\u003e\u003cp\u003e2005–2010 Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Gen III Mopar Hemi\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4085D \/ 2-6847-4085D \/ 3-6847-4085D \/ K1-6847-4085D \/ K2-6847-4085D \/ K3-6847-4085D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Forged +4cc Dome Top Pistons are precision-engineered performance components designed specifically for the 6.1L Gen III Mopar Hemi engines found in most Chrysler, Dodge, Jeep, and Ram SRT8 models. These pistons are crafted to enhance engine durability and efficiency while supporting higher compression ratios for improved power output. Ideal for enthusiasts and professional builders seeking reliable, high-quality pistons that withstand the rigors of high-performance applications.\u003c\/p\u003e\u003cp\u003eFeaturing a +4cc dome top design, these pistons increase the combustion chamber volume, allowing for optimized compression ratios that can be tailored to your build. Whether upgrading for street performance or track use, these pistons provide a solid foundation for maximizing the potential of your 6.1L Hemi engine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEngineered for durability and performance, these DSS Racing pistons offer several advanced features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and resistance to high stress\u003c\/li\u003e\n\u003cli\u003e+4cc dome top design to increase compression and improve combustion efficiency\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" compatible with full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm for optimal sealing and reduced friction\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" designed for compatibility with 3.578\" stroke crankshafts\u003c\/li\u003e\n\u003cli\u003eRod length compatibility at 6.243\" for precise engine geometry\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes (65cc, 74cc, 85cc) to achieve compression ratios ranging from 9.57:1 to 12.03:1\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the 375 Small Block Mopar Hemi Gen III platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are manufactured using high-grade forged aluminum alloy, providing an excellent balance of lightweight design and exceptional strength. The forging process enhances grain structure, resulting in pistons that resist cracking and deformation under extreme heat and pressure conditions typical of high-performance engines.\u003c\/p\u003e\u003cp\u003eThe dome top shape is precisely machined to optimize combustion chamber dynamics, improving flame propagation and power delivery. The pistons feature carefully engineered ring grooves to maintain effective sealing while minimizing friction and wear. Additionally, the pin bore is designed to accommodate either full-floating or press-fit wrist pins, offering flexibility for different engine builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese DSS Racing pistons are direct replacements for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 Gen III Mopar Hemi engines. Installation requires standard engine assembly procedures and may necessitate professional machining to ensure proper clearances and fitment depending on your specific build. The pistons are compatible with the factory 3.578\" stroke crankshaft and 6.243\" connecting rods, simplifying the upgrade process.\u003c\/p\u003e\u003cp\u003eProper ring installation and torque specifications should be followed to maximize longevity and performance. These pistons are ideal for engine rebuilds, performance upgrades, or custom builds where enhanced compression and durability are desired.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged +4cc dome top pistons (quantity as per SKU selection)\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves\u003c\/li\u003e\n\u003cli\u003ePin bore compatible with full-floating or press-fit wrist pins\u003c\/li\u003e\n\u003cli\u003eTechnical specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese DSS Racing pistons are perfect for automotive enthusiasts, professional engine builders, and racers who demand reliable, high-performance components for their 6.1L Mopar Hemi engines. Whether you are upgrading a street vehicle for enhanced power or building a race engine that requires robust internals, these pistons provide the strength and design features necessary to support aggressive tuning and increased compression ratios.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381004550356,"sku":"1-6847-4085D","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381004583124,"sku":"2-6847-4085D","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381004615892,"sku":"3-6847-4085D","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381004648660,"sku":"K1-6847-4085D","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381004681428,"sku":"K2-6847-4085D","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381004714196,"sku":"K3-6847-4085D","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002115_4_28232471-d9f9-4ffe-84a3-abc419fa875a.webp?v=1771667022"},{"product_id":"6847-4085-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-085-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged 6.1 Stroker Gen III Hemi Piston Set: Fits most Hemi Models","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4085 \/ 2-6847-4085 \/ 3-6847-4085 \/ K1-6847-4085 \/ K2-6847-4085 \/ K3-6847-4085\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing 6.1 Stroker Gen III Hemi FX Series Forged Piston Set is engineered for enthusiasts and professional builders seeking enhanced durability and performance for their Chrysler, Dodge, Jeep, or Ram 6.1L SRT8 engines. Designed specifically for the 375 Small Block Mopar Hemi Gen III platform, these pistons accommodate stroker builds with a 3.578\" stroke and offer a range of compression ratios to suit various performance goals.\u003c\/p\u003e\u003cp\u003eWhether you are upgrading for increased power output, reliability under high boost, or extended engine life, this piston set provides a precision fit and superior strength to handle demanding conditions. The +4cc dome top design and multiple compression ratio options allow for fine-tuning combustion characteristics to match your build requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt with performance and reliability in mind, the DSS Racing FX Series Forged Pistons offer the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 Gen III Hemi engines\u003c\/li\u003e\n\u003cli\u003eForged construction for maximum strength and durability under high stress\u003c\/li\u003e\n\u003cli\u003e+4cc dome top design to optimize combustion chamber volume and compression ratio\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm top and second rings, 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003eStroke length of 3.578\" and rod length of 6.243\" to support stroker engine builds\u003c\/li\u003e\n\u003cli\u003eAvailable compression ratios approximately 12.03:1 (65cc), 10.77:1 (74cc), and 9.57:1 (85cc) for tuning flexibility\u003c\/li\u003e\n\u003cli\u003eDesigned for compatibility with 375 Small Block Mopar Hemi Gen III engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe pistons are crafted from high-quality forged aluminum alloy, delivering an optimal balance of lightweight strength and thermal conductivity. This construction ensures resistance to cracking and deformation under extreme combustion pressures and temperatures. The +4cc dome top enhances combustion efficiency by increasing chamber volume, while the precision-machined ring grooves maintain excellent ring seal and reduce blow-by.\u003c\/p\u003e\u003cp\u003eThe pin bore is engineered to accept either full-floating or press-fit wrist pins, allowing builders to select the best option for their application. The piston skirt and crown are designed to minimize friction and wear, contributing to improved engine longevity and performance consistency.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines equipped with the Gen III Hemi platform. Installation requires standard engine assembly procedures and may necessitate professional machining to ensure proper clearances and ring end gaps based on your specific build. The pistons are compatible with stroker crankshafts featuring a 3.578\" stroke and connecting rods measuring 6.243\" in length.\u003c\/p\u003e\u003cp\u003eProper installation ensures optimal piston-to-cylinder wall clearance and ring seal, critical for achieving the intended compression ratios and engine performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as required for engine configuration)\u003c\/li\u003e\n\u003cli\u003eWrist pin compatibility for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves for 1.2mm top and second rings, 3mm oil ring\u003c\/li\u003e\n\u003cli\u003eTechnical specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding Chrysler, Dodge, Jeep, or Ram 6.1L SRT8 engines. It suits stroker engine projects, forced induction builds, and naturally aspirated setups requiring enhanced durability and tailored compression ratios. Whether building a street performance engine or a track-focused powerplant, these pistons provide the strength and precision needed for reliable high-performance operation.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381004746964,"sku":"1-6847-4085","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381004779732,"sku":"2-6847-4085","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381004812500,"sku":"3-6847-4085","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381004845268,"sku":"K1-6847-4085","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381004878036,"sku":"K2-6847-4085","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381004910804,"sku":"K3-6847-4085","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002114_4_7ad37b51-ebe3-40f3-b516-387b169be7a0.webp?v=1771667022"},{"product_id":"6847-4090-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-090-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing Gen III Hemi FX Series Forged Piston Set 4.090\" Bore: Chrysler \/ Dodge \/ Jeep (06-10)","description":"\u003ch3\u003eDSS Racing Gen III Hemi FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Chrysler, Dodge, Jeep, Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4090 \/ 2-6847-4090 \/ 3-6847-4090 \/ K1-6847-4090 \/ K2-6847-4090 \/ K3-6847-4090\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Gen III Hemi FX Series Forged Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. Designed to replace factory pistons, this set offers enhanced strength and durability for high-performance applications. Ideal for enthusiasts and professional builders looking to maximize engine reliability and power output, these pistons provide a perfect balance of lightweight construction and robust design.\u003c\/p\u003e\u003cp\u003eWith a 4.090\" bore size and a compact dome top design, these pistons support increased compression ratios and improved combustion efficiency. Whether you are rebuilding your 6.1L SRT8 or upgrading for forced induction or naturally aspirated performance, this piston set delivers consistent quality and precision fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt to meet the demands of high-performance Mopar Hemi engines, the DSS Racing FX Series pistons include several advanced features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and durability under extreme conditions\u003c\/li\u003e\n\u003cli\u003e+4cc dome top design to optimize compression ratio and combustion efficiency\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" compatible with full-floating or press-fit wrist pins\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm for reliable ring sealing and reduced blow-by\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" to maintain proper deck clearance and piston-to-valve clearance\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.578\" stroke crankshafts and 6.243\" connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes (65cc, 74cc, 85cc) to tailor compression ratios from 9.59:1 to 12.06:1\u003c\/li\u003e\n\u003cli\u003ePrecision machining ensures consistent bore fit and balanced piston weight\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are crafted from high-grade forged aluminum alloy, providing an excellent strength-to-weight ratio essential for high-revving engines. The forging process enhances grain structure, resulting in pistons that resist cracking and deformation under thermal and mechanical stress. The dome top design with varying dish volumes allows builders to customize compression ratios to suit different performance goals, whether for street, strip, or track use.\u003c\/p\u003e\u003cp\u003eThe piston pin bore is engineered to accept either full-floating or press-fit pins, offering flexibility depending on engine build preferences. Ring grooves are precision-cut to accommodate standard 1.2mm top and second rings with a 3mm oil ring, ensuring optimal sealing and oil control. Overall, the design focuses on durability, performance, and compatibility with factory and aftermarket components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct fit for most Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 6.1L SRT8 Hemi engine. Installation requires standard engine rebuild procedures, including proper honing of the cylinder bores to the 4.090\" specification. The pistons are compatible with factory connecting rods and crankshaft stroke of 3.578\". Builders should verify piston-to-valve clearance and deck height during assembly to ensure optimal performance and reliability.\u003c\/p\u003e\u003cp\u003eNo special modifications are typically necessary, making these pistons an excellent upgrade for both OEM rebuilds and performance engine builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons sized for 4.090\" bore\u003c\/li\u003e\n\u003cli\u003eCompatible wrist pin bores for full-floating or press-fit pins\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves for 1.2\/1.2\/3mm ring sets\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for automotive enthusiasts, engine builders, and professional shops upgrading or rebuilding the 6.1L SRT8 Hemi engine. It suits applications ranging from street performance to drag racing and road course use, providing enhanced strength and reliability over stock pistons. The ability to select different dish volumes allows customization of compression ratios to match specific power goals and fuel types.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381004943572,"sku":"1-6847-4090","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381004976340,"sku":"2-6847-4090","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381005009108,"sku":"3-6847-4090","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381005041876,"sku":"K1-6847-4090","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381005074644,"sku":"K2-6847-4090","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381005107412,"sku":"K3-6847-4090","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002113_4_5d9af569-930e-40fb-bfd2-0a39f8e015a5.webp?v=1771667021"},{"product_id":"6847-4075-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-075-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set: Fits Dodge \/ Chrysler \/ Jeep 6.1L Gen III Hemi","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4075D \/ 2-6847-4075D \/ 3-6847-4075D \/ K1-6847-4075D \/ K2-6847-4075D \/ K3-6847-4075D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered specifically for the 6.1L Gen III Hemi engines found in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models. Designed to handle high-performance demands, these pistons offer enhanced strength and durability over stock cast pistons, making them an excellent upgrade for enthusiasts seeking improved engine reliability and power potential. Whether you are building a street performance engine or a track-focused powerplant, these forged pistons provide the foundation for consistent, high-output operation.\u003c\/p\u003e\u003cp\u003eWith a compact dome top design and precise dimensions tailored to the 373 Small Block Mopar Hemi Gen III, this piston set ensures optimal combustion chamber volume and compression ratios, supporting a variety of tuning and build configurations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese DSS Racing forged pistons incorporate advanced engineering and materials to deliver superior performance and longevity. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for enhanced strength and resistance to detonation\u003c\/li\u003e\n\u003cli\u003eFX Series design optimized for the 6.1L Gen III Hemi engine architecture\u003c\/li\u003e\n\u003cli\u003eCompact dome top with +4cc volume to support various compression ratios\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" compatible with full-floating or press-fit wrist pins\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for reliable ring sealing\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.578\" and rod length of 6.243\" for precise fitment\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dome volumes (65cc, 74cc, 85cc) to tailor compression ratios from approximately 9.54 to 12.0\u003c\/li\u003e\n\u003cli\u003eDesigned to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models without modification\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing utilizes premium forged aluminum alloy in the FX Series pistons, delivering a lightweight yet incredibly robust component capable of withstanding the high cylinder pressures typical of performance Hemi engines. The pistons feature a carefully engineered dome shape that optimizes combustion efficiency and supports a range of compression ratios to suit different power goals and fuel types.\u003c\/p\u003e\u003cp\u003ePrecision machining ensures tight tolerances for ring grooves and pin bores, contributing to reduced friction and improved sealing. The pistons are compatible with both full-floating and press-fit wrist pins, allowing flexibility in engine assembly preferences.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for the factory pistons in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, requiring no custom modifications for proper installation. Their dimensions and design maintain factory clearances and compatibility with existing rods and cylinder bores, simplifying the rebuild or upgrade process.\u003c\/p\u003e\u003cp\u003eProfessional installation is recommended to ensure correct ring end gap, piston orientation, and torque specifications are met for optimal performance and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged DSS Racing FX Series pistons (quantity as per engine requirements)\u003c\/li\u003e\n\u003cli\u003eCompatible wrist pin options (full-floating or press-fit, depending on selection)\u003c\/li\u003e\n\u003cli\u003eDetailed specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding their 6.1L Gen III Hemi engines. It suits applications ranging from street performance and daily driving to high-output track and drag racing builds where increased strength, reliability, and compression tuning flexibility are essential.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381005140180,"sku":"1-6847-4075D","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381005172948,"sku":"2-6847-4075D","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381005205716,"sku":"3-6847-4075D","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381005238484,"sku":"K1-6847-4075D","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381005271252,"sku":"K2-6847-4075D","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381005304020,"sku":"K3-6847-4075D","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002112_4_c74d274d-51cb-417b-81a1-102eef003f46.webp?v=1771667021"},{"product_id":"6847-4065-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-065-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series +4cc Dome Top Forged Pistons: Chrysler \/ Dodge \/ Jeep 6.1L Gen III Mopar Hemi","description":"\u003ch3\u003eDSS Racing FX Series +4cc Dome Top Forged Pistons\u003c\/h3\u003e\u003cp\u003e2005–Present Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Gen III Mopar Hemi\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4065D \/ 2-6847-4065D \/ 3-6847-4065D \/ K1-6847-4065D \/ K2-6847-4065D \/ K3-6847-4065D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series +4cc Dome Top Forged Pistons are precision-engineered performance components designed specifically for the 6.1L Gen III Mopar Hemi engines found in most Chrysler, Dodge, Jeep, and Ram SRT8 models. These pistons are crafted to enhance combustion efficiency and increase compression ratios, delivering improved power and throttle response for enthusiasts seeking reliable upgrades for their high-performance Mopar engines.\u003c\/p\u003e\u003cp\u003eIdeal for street performance, track use, or mild forced induction setups, these pistons offer a balance of durability and performance, making them a trusted choice for engine builders and racers alike. Their forged construction ensures they can withstand the rigors of high RPM and increased cylinder pressures.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned with advanced engineering and quality materials, the DSS Racing FX Series pistons provide several key benefits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e+4cc dome top design to increase compression and optimize combustion chamber shape\u003c\/li\u003e\n\u003cli\u003eCompatible with 6.1L Gen III Mopar Hemi engines, fitting most Chrysler, Dodge, Jeep, and Ram SRT8 models\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for precise piston-to-head clearance and optimal quench\u003c\/li\u003e\n\u003cli\u003eForged construction for superior strength and durability under high-stress conditions\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2\/1.2\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.578\" and connecting rod length of 6.243\" for exact fitment\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dome volumes (65cc, 74cc, 85cc) to tailor compression ratios from 9.49:1 up to 11.94:1\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston is forged from high-grade aluminum alloy, providing an excellent strength-to-weight ratio essential for high-performance applications. The dome top design not only increases compression but also improves flame propagation within the combustion chamber, enhancing power output and efficiency.\u003c\/p\u003e\u003cp\u003eThe pistons feature precision-machined ring grooves and pin bores to ensure tight tolerances and reliable sealing under extreme conditions. The option for full-floating or press-fit wrist pins allows customization based on engine build preferences and durability requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are engineered for direct fitment in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 Gen III Mopar Hemi engines without the need for extensive modifications. Proper installation requires standard engine rebuilding procedures, including honing the cylinder walls and selecting compatible piston rings and wrist pins.\u003c\/p\u003e\u003cp\u003eDue to the variety of dome volumes available, builders can select the piston that best matches their desired compression ratio and engine setup. It is recommended to consult with a professional engine builder to ensure optimal fitment and performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of four DSS Racing FX Series +4cc Dome Top Forged Pistons\u003c\/li\u003e\n\u003cli\u003eChoice of wrist pin configuration: full-floating or press-fit (depending on SKU)\u003c\/li\u003e\n\u003cli\u003eTechnical specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are perfect for Mopar enthusiasts and professional engine builders looking to upgrade the 6.1L Gen III Hemi for enhanced performance. They suit naturally aspirated builds aiming for higher compression as well as mild forced induction applications requiring durable forged components. Whether for street performance, drag racing, or road course use, these pistons provide a reliable foundation for increased power and engine longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381005992148,"sku":"1-6847-4065D","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381006024916,"sku":"2-6847-4065D","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381006057684,"sku":"3-6847-4065D","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381006090452,"sku":"K1-6847-4065D","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381006123220,"sku":"K2-6847-4065D","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381006155988,"sku":"K3-6847-4065D","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002110_4_3cbebb75-8119-4b07-b696-991191756f29.webp?v=1771667020"},{"product_id":"6847-4075-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-075-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing 6.1 Stroker Gen III Hemi Forged Piston Set: Fits Chrysler \/ Dodge \/ Jeep 6.1L SRT8","description":"\u003ch3\u003eDSS Racing 6.1 Stroker Gen III Hemi Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4075 \/ 2-6847-4075 \/ 3-6847-4075 \/ K1-6847-4075 \/ K2-6847-4075 \/ K3-6847-4075\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing 6.1 Stroker Gen III Hemi Forged Piston Set is engineered specifically for Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. Designed to accommodate the 373 cubic inch small block Mopar Hemi Gen III stroker build, these pistons provide a reliable upgrade for enthusiasts seeking enhanced durability and performance. Ideal for high-performance street and race applications, this piston set supports increased stroke and compression ratios while maintaining OEM fitment standards.\u003c\/p\u003e\u003cp\u003eBuilt to withstand the rigors of boosted and naturally aspirated powerplants, these forged pistons offer superior strength and thermal resistance compared to stock cast pistons. They are perfect for engine builders and performance tuners looking to maximize the potential of the 6.1L Hemi platform.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons incorporate advanced design elements and precision manufacturing to deliver consistent performance and longevity:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 373ci Small Block Mopar Hemi Gen III stroker engines\u003c\/li\u003e\n\u003cli\u003eForged construction for enhanced strength and durability\u003c\/li\u003e\n\u003cli\u003eCompensated dome top with +4cc volume for optimized combustion\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring\u003c\/li\u003e\n\u003cli\u003eStroke length of 3.578\" and connecting rod length of 6.243\"\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios to suit different builds: 65cc dome for 12:1, 74cc dome for 10.73:1, and 85cc dome for 9.54:1\u003c\/li\u003e\n\u003cli\u003ePrecision machining ensures tight tolerances and reliable sealing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston in this set is forged from high-grade aluminum alloy, providing an excellent balance of strength, weight, and heat dissipation. The dome top design with a +4cc volume enhances combustion efficiency and allows for flexible compression ratio tuning. The pistons feature carefully engineered ring grooves to accommodate high-performance piston rings, ensuring optimal oil control and minimal blow-by.\u003c\/p\u003e\u003cp\u003eThe wrist pin bore is designed to accept either full-floating or press-fit pins, offering versatility depending on engine build preferences. The pistons are crafted to withstand the increased stresses of stroker crankshafts and higher cylinder pressures common in performance applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines equipped with Gen III Hemi blocks. Installation requires standard engine assembly procedures and may necessitate professional machining for precise cylinder bore sizing and ring fitting. The pistons are compatible with stroker crankshafts featuring a 3.578\" stroke and connecting rods measuring 6.243\".\u003c\/p\u003e\u003cp\u003eBuilders should verify compression ratio and clearances based on their specific build parameters. These pistons are ideal for custom stroker builds and high-performance rebuilds where durability and power gains are priorities.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as required for engine configuration)\u003c\/li\u003e\n\u003cli\u003eWrist pin compatibility for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for piston dome volume and ring groove dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is perfect for engine builders, performance enthusiasts, and racers upgrading or rebuilding Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. It suits stroker builds aiming for increased displacement and power, as well as naturally aspirated or forced induction setups requiring robust, high-quality pistons capable of handling elevated cylinder pressures and RPM.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381006188756,"sku":"1-6847-4075","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381006221524,"sku":"2-6847-4075","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381006254292,"sku":"3-6847-4075","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381006287060,"sku":"K1-6847-4075","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381006319828,"sku":"K2-6847-4075","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381006352596,"sku":"K3-6847-4075","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002108_4_db1b4da2-0a84-4383-8bfa-1920c25a8131.webp?v=1771667019"},{"product_id":"6847-4055-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-055-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series +4cc Dome Top Forged Pistons 4.055\" Bore: Fits most Hemi Models","description":"\u003ch3\u003eDSS Racing FX Series Forged Pistons\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4055D \/ 2-6847-4055D \/ 3-6847-4055D \/ K1-6847-4055D \/ K2-6847-4055D \/ K3-6847-4055D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series +4cc Dome Top Forged Pistons are precision-engineered performance components designed specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. These pistons are built to enhance engine durability and efficiency while supporting higher compression ratios for improved power output. Ideal for enthusiasts and professional builders looking to upgrade their 370 Small Block Mopar Hemi Gen III engines, these pistons provide a reliable foundation for high-performance builds and track-ready applications.\u003c\/p\u003e\u003cp\u003eWith a bore size of 4.055 inches and a +4cc dome top design, these pistons optimize combustion chamber volume to help achieve the desired compression ratios ranging from approximately 9.47:1 to 11.91:1, depending on the combustion chamber size. Their comp height of 1.21 inches and compatibility with full-floating or press-fit wrist pins make them versatile for various engine configurations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEngineered for performance and durability, the DSS Racing FX Series pistons offer the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and resistance to high stress and heat\u003c\/li\u003e\n\u003cli\u003e+4cc dome top design to increase compression and improve combustion efficiency\u003c\/li\u003e\n\u003cli\u003eCompatible with 4.055\" bore size engines, tailored for 6.1L SRT8 applications\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" available in full-floating or press-fit options for secure wrist pin retention\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.578\" and connecting rod length of 6.243\" for precise engine geometry\u003c\/li\u003e\n\u003cli\u003eDesigned for 370 Small Block Mopar Hemi Gen III engines with a comp height of 1.21\"\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volume options (65cc, 74cc, 85cc) to tailor compression ratios\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are crafted from high-grade forged aluminum alloy, ensuring exceptional strength-to-weight ratio and durability under extreme operating conditions. The forging process enhances the metal grain structure, providing superior resistance to cracking and deformation compared to cast pistons. The dome top design is precisely machined to optimize combustion chamber shape and volume, improving thermal efficiency and power delivery.\u003c\/p\u003e\u003cp\u003eThe pistons feature carefully engineered ring grooves and pin bosses to maintain ring seal and wrist pin stability during high RPM operation. The option for full-floating or press-fit wrist pins allows builders to select the best fitment for their engine setup, balancing ease of assembly with performance requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese DSS Racing FX Series pistons are designed as direct replacements for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, making installation straightforward for experienced engine builders. Minimal modifications are typically required when upgrading from stock pistons, provided the engine bore size matches the 4.055\" specification. Proper ring end gap and piston-to-wall clearance should be verified during installation to ensure optimal performance and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged +4cc dome top pistons (quantity as per selected SKU)\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit depending on selection)\u003c\/li\u003e\n\u003cli\u003ePiston rings compatible with 1.2\/1.2\/3mm groove dimensions (may vary by package)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are ideal for performance enthusiasts, professional engine builders, and racers seeking to upgrade their 6.1L SRT8 engines for increased compression, improved durability, and enhanced power potential. They are well-suited for street performance, drag racing, and track applications where reliable high-RPM operation and thermal stability are critical.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381006581972,"sku":"1-6847-4055D","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381006614740,"sku":"2-6847-4055D","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381006647508,"sku":"3-6847-4055D","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381006680276,"sku":"K1-6847-4055D","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381006713044,"sku":"K2-6847-4055D","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381006745812,"sku":"K3-6847-4055D","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002106_4_40fdca37-e98f-4377-9b0a-40dc62735848.webp?v=1771667018"},{"product_id":"6847-4065-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-065-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged +4cc Dome Top Piston Set: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8","description":"\u003ch3\u003eDSS Racing FX Series Forged +4cc Dome Top Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Gen III Hemi\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4065 \/ 2-6847-4065 \/ 3-6847-4065 \/ K1-6847-4065 \/ K2-6847-4065 \/ K3-6847-4065\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged +4cc Dome Top Piston Set is engineered specifically for the 6.1L Gen III Hemi engines found in most Chrysler, Dodge, Jeep, and Ram SRT8 models. Designed to enhance engine performance and durability, these pistons offer a precision fit and increased combustion chamber volume with a +4cc dome top design. Ideal for enthusiasts and professional builders seeking reliable, high-quality components for street or track applications, this piston set delivers improved compression ratios and robust construction to handle increased power demands.\u003c\/p\u003e\u003cp\u003eWhether upgrading a stock engine or building a high-performance small block Mopar Hemi, these pistons provide the strength and precision necessary for consistent, efficient combustion and long-term reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt with advanced engineering and performance in mind, the DSS Racing FX Series pistons include the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and durability under high stress\u003c\/li\u003e\n\u003cli\u003e+4cc dome top design to optimize combustion chamber volume and compression ratio\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches for precise piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927 inches compatible with full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eDesigned for 3.578-inch stroke and 6.243-inch connecting rods, matching factory Gen III Hemi specs\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes (65cc, 74cc, 85cc) to tailor compression ratios from 9.49:1 to 11.94:1\u003c\/li\u003e\n\u003cli\u003ePrecision CNC machining ensures tight tolerances and consistent performance\u003c\/li\u003e\n\u003cli\u003eCompatible with 371 Small Block Mopar Hemi Gen III engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are forged from high-grade aluminum alloy, providing an optimal balance of lightweight design and exceptional strength. The dome top shape increases the combustion chamber volume by +4cc, allowing for higher compression ratios that improve power output and efficiency. The pistons feature a comp height of 1.21 inches, engineered to maintain proper deck clearance and prevent piston-to-valve contact in high-performance builds.\u003c\/p\u003e\u003cp\u003eThe pin bore is designed to accept either full-floating or press-fit wrist pins, offering flexibility depending on engine build preferences. Ring grooves are precisely cut to accommodate performance ring sets, ensuring effective sealing and reduced blow-by. The pistons are tailored to fit the 3.578-inch stroke and 6.243-inch rod length of the 6.1L Gen III Hemi, guaranteeing a perfect fit and smooth operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is a direct fit for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 Gen III Hemi engines, making it an excellent choice for OEM replacements or performance upgrades. Installation requires standard engine assembly procedures, including proper ring installation, wrist pin fitting, and torque specifications. No major modifications are necessary when used within compatible engine builds, but professional installation is recommended to ensure optimal performance and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged +4cc dome top pistons (quantity as per engine requirements)\u003c\/li\u003e\n\u003cli\u003eCompatible wrist pin options (full-floating or press-fit)\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for ring groove dimensions and piston geometry\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers who demand enhanced durability and power from their 6.1L Gen III Hemi engines. It suits applications ranging from street performance upgrades to track-focused builds, providing improved compression and reliable operation under increased boost or naturally aspirated conditions. If you are upgrading your Chrysler, Dodge, Jeep, or Ram SRT8 engine for better throttle response, power gains, and long-term reliability, these DSS Racing pistons are an excellent choice.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381007171796,"sku":"1-6847-4065","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381007204564,"sku":"2-6847-4065","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381007237332,"sku":"3-6847-4065","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381007270100,"sku":"K1-6847-4065","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381007302868,"sku":"K2-6847-4065","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381007335636,"sku":"K3-6847-4065","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002105_4_c139276f-6253-4784-a8e8-927f09c9f412.webp?v=1771667018"},{"product_id":"6845-4125-6-1-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-125-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set 4.125\" Bore: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4125D \/ 2-6845-4125D \/ 3-6845-4125D \/ K1-6845-4125D \/ K2-6845-4125D \/ K3-6845-4125D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, delivering exceptional strength and durability for high-performance applications. Designed to fit a 4.125\" bore, these pistons are ideal for enthusiasts and professional builders seeking reliable, precision-crafted components for their 383 Small Block Mopar Hemi Gen III builds.\u003c\/p\u003e\u003cp\u003eWith a compact dish top design and a compression height of 1.21 inches, these pistons optimize combustion efficiency while maintaining compatibility with factory and aftermarket components. Whether you are upgrading for increased power, durability, or engine longevity, the DSS Racing FX Series pistons provide a solid foundation for your performance build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced design elements to meet the demands of high-output Mopar engines:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 4.125\" bore size, tailored for 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003eForged construction for superior strength and heat resistance\u003c\/li\u003e\n\u003cli\u003eCompact dish top with -18cc volume to optimize compression ratios\u003c\/li\u003e\n\u003cli\u003eCompression height of 1.21 inches for precise piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" available in full-floating or press-fit options\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring\u003c\/li\u003e\n\u003cli\u003eDesigned for 3.578\" stroke and 6.243\" connecting rods\u003c\/li\u003e\n\u003cli\u003eApproximate compression ratios vary by combustion chamber volume: 9.55:1 (65cc), 8.78:1 (74cc), 8.02:1 (85cc)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons are crafted from high-quality forged aluminum alloy, providing an optimal balance of lightweight strength and thermal conductivity. The forging process enhances grain structure and durability, allowing these pistons to withstand the rigors of high-performance and forced induction applications.\u003c\/p\u003e\u003cp\u003eThe pistons feature a carefully engineered dish top design with a -18cc volume to accommodate various combustion chamber sizes and compression ratios. Precision-machined ring grooves ensure proper sealing and reduced friction, while the choice of full-floating or press-fit wrist pins allows customization based on engine build preferences.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines with a 4.125\" bore. Installation requires standard engine assembly procedures, and compatibility with factory rods and crankshafts is maintained. Builders should verify clearances and ring end gaps during assembly to ensure optimal performance and reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of four DSS Racing FX Series forged pistons\u003c\/li\u003e\n\u003cli\u003eWrist pins (.927\") with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves ready for standard ring sets\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding Chrysler, Dodge, Jeep, or Ram 6.1L SRT8 engines. Whether building a street performance engine, a track-ready machine, or a reliable high-output powerplant, these forged pistons offer the strength and design features necessary to support increased horsepower and torque demands.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381006778580,"sku":"1-6845-4125D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381006811348,"sku":"2-6845-4125D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381006844116,"sku":"3-6845-4125D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381006876884,"sku":"K1-6845-4125D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381006909652,"sku":"K2-6845-4125D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381006942420,"sku":"K3-6845-4125D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002104_4_76445e9c-0ada-4e1d-8e96-d16db1f2c0e0.webp?v=1771667017"},{"product_id":"6847-4055-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-055-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set: Fits Chrysler \/ Dodge \/ Jeep 6.1L SRT8 Gen III","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4055 \/ 2-6847-4055 \/ 3-6847-4055 \/ K1-6847-4055 \/ K2-6847-4055 \/ K3-6847-4055\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing 6.1 Stroker Small Block Mopar Hemi Gen III FX Series Forged Piston Set is engineered for enthusiasts and professional builders seeking durable, high-performance pistons for their 6.1L SRT8 engines. Designed to fit most Chrysler, Dodge, Jeep, and Ram models equipped with the 6.1L Hemi, this piston set supports stroker builds with a 3.578\" stroke and offers enhanced strength and reliability under demanding conditions.\u003c\/p\u003e\u003cp\u003eThese forged pistons provide improved combustion efficiency and durability, making them ideal for high-output street, track, or racing applications. Whether upgrading a factory engine or building a custom stroker, this piston set delivers precision fitment and performance consistency.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt with advanced engineering and quality materials, the DSS Racing FX Series pistons include the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 6.1L Small Block Mopar Hemi Gen III engines\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for optimal piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003e+4cc dome top design to enhance compression and combustion\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003eDesigned for a 3.578\" stroke and 6.243\" connecting rod length\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dome volumes (65cc, 74cc, 85cc) to tailor compression ratios from approximately 9.47:1 to 11.91:1\u003c\/li\u003e\n\u003cli\u003ePrecision forged for superior strength and fatigue resistance\u003c\/li\u003e\n\u003cli\u003eOptimized for high-performance stroker engine builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing pistons are forged from premium-grade aluminum alloy, providing an excellent balance of lightweight construction and high tensile strength. The forging process enhances grain structure, resulting in pistons that withstand extreme combustion pressures and temperatures common in performance engines.\u003c\/p\u003e\u003cp\u003eThe dome top design with varying volumes allows builders to fine-tune compression ratios to match specific engine configurations and fuel requirements. The pistons feature carefully machined ring grooves and wrist pin bores to ensure tight sealing and smooth articulation with the connecting rods, whether using full-floating or press-fit pins.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed to fit most Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 6.1L SRT8 Small Block Mopar Hemi Gen III engine. Installation requires standard engine assembly procedures, with attention to proper ring end gap and wrist pin installation method based on the chosen pin type.\u003c\/p\u003e\u003cp\u003eBuilders upgrading to a stroker configuration with a 3.578\" stroke will benefit from the piston's compatible dimensions and dome volumes, ensuring optimal piston-to-cylinder head clearance and compression ratio. Professional installation is recommended to achieve precise tolerances and reliable engine performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as required for engine build)\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit options depending on SKU)\u003c\/li\u003e\n\u003cli\u003eRing grooves machined to specified dimensions\u003c\/li\u003e\n\u003cli\u003eTechnical specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis DSS Racing forged piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding 6.1L SRT8 Mopar Hemi engines. It suits stroker builds, high-compression street engines, and track-focused applications where durability and precise combustion chamber control are critical.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381007368404,"sku":"1-6847-4055","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381007401172,"sku":"2-6847-4055","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381007433940,"sku":"3-6847-4055","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381007466708,"sku":"K1-6847-4055","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381007499476,"sku":"K2-6847-4055","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381007532244,"sku":"K3-6847-4055","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002103_4_b5cd8b99-193b-4cb2-a07d-036057d163b6.webp?v=1771667017"},{"product_id":"6845-4125-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-125-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set 4.125\" Bore: Fits Dodge \/ Chrysler \/ Jeep (6.1L SRT8)","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4125 \/ 2-6845-4125 \/ 3-6845-4125 \/ K1-6845-4125 \/ K2-6845-4125 \/ K3-6845-4125\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing 6.1 Stroker Gen III Hemi FX Series Forged Piston Set is engineered specifically for high-performance applications in Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. Designed to accommodate a 4.125\" bore, these pistons are ideal for enthusiasts looking to upgrade their 383 small block Mopar Hemi Gen III stroker builds. With a focus on durability and precision, this piston set supports increased stroke length and compression ratios, delivering reliable power gains and enhanced engine longevity under demanding conditions.\u003c\/p\u003e\u003cp\u003eWhether you are building a street performance engine or a race-ready powerplant, these forged pistons provide the strength and dimensional accuracy needed to maximize your 6.1L Hemi’s potential.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons incorporate advanced design elements and manufacturing techniques to ensure optimal performance and fitment:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 4.125\" bore size for most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003eForged construction for superior strength and resistance to detonation\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for precise deck clearance and piston-to-valve clearance\u003c\/li\u003e\n\u003cli\u003e18cc dish top design to optimize combustion chamber volume and compression ratio\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003eDesigned to accommodate a 3.578\" stroke and 6.243\" connecting rods for stroker builds\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes (65cc, 74cc, 85cc) to tailor compression ratios from approximately 9.55:1 to 8.02:1\u003c\/li\u003e\n\u003cli\u003ePrecision machining ensures consistent piston weight and balance for smooth operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing’s FX Series pistons are crafted from high-grade forged aluminum alloy, providing an excellent balance of lightweight strength and thermal conductivity. The forging process enhances the metal’s grain structure, resulting in pistons that withstand the high pressures and temperatures typical of performance Hemi engines. The dish top design reduces compression volume while maintaining efficient combustion chamber shape, helping to prevent detonation and improve power delivery.\u003c\/p\u003e\u003cp\u003eThe pistons feature carefully engineered ring grooves and wrist pin bores to ensure reliable ring sealing and wrist pin retention under high RPM and load conditions. The option for full-floating or press-fit wrist pins allows builders to select the best configuration for their specific application and durability requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines with a 4.125\" bore, making it a versatile choice for Gen III Hemi stroker builds. Installation requires standard engine assembly procedures, including proper ring end gap setting and wrist pin installation. Depending on the wrist pin option chosen, either full-floating or press-fit pins can be installed using appropriate retaining clips or interference fit techniques.\u003c\/p\u003e\u003cp\u003eBuilders should verify compatibility with their specific engine block and rotating assembly dimensions to ensure optimal piston-to-cylinder wall clearance and deck height. Professional installation is recommended to achieve the best performance and reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as required for engine configuration)\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit, depending on selected option)\u003c\/li\u003e\n\u003cli\u003eRetaining clips for wrist pins (if applicable)\u003c\/li\u003e\n\u003cli\u003eDetailed specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts and engine builders upgrading or rebuilding Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. It suits stroker engine projects aiming to increase displacement and power output while maintaining durability and reliability. Whether for street performance, drag racing, or other motorsport applications, these pistons provide a solid foundation for a high-performance Gen III Hemi build.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381008056532,"sku":"1-6845-4125","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381008089300,"sku":"2-6845-4125","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381008122068,"sku":"3-6845-4125","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381008154836,"sku":"K1-6845-4125","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381008187604,"sku":"K2-6845-4125","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381008220372,"sku":"K3-6845-4125","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002101_4_2b48d8c0-3c52-4836-b305-0d04b972959a.webp?v=1771667016"},{"product_id":"6845-4090-6-1-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-090-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Pistons Set (SET): Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 (05-10)","description":"\u003ch3\u003eDSS Racing FX Series Forged Pistons\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4090D \/ 2-6845-4090D \/ 3-6845-4090D \/ K1-6845-4090D \/ K2-6845-4090D \/ K3-6845-4090D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons are precision-engineered performance components designed specifically for the 6.1L Gen III Mopar Hemi engines found in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models. These pistons offer a perfect blend of strength, durability, and lightweight construction to handle the rigors of high-performance driving and racing applications.\u003c\/p\u003e\u003cp\u003eBuilt to exacting standards, these pistons feature a compact dish top design with a -18cc volume, optimized for efficient combustion and improved compression ratios. Whether you are upgrading your engine for street performance or track use, the FX Series pistons provide reliable power gains and enhanced engine longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned for enthusiasts and professional builders alike, the DSS Racing FX Series Forged Pistons deliver advanced technology and robust construction:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 6.1L Gen III Mopar Hemi engines used in Chrysler, Dodge, Jeep, and Ram SRT8 models\u003c\/li\u003e\n\u003cli\u003eCompacted height of 1.21 inches for optimal piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003e18cc dish top design to optimize combustion chamber volume and compression ratio\u003c\/li\u003e\n\u003cli\u003ePin diameter of 0.927 inches, available in full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for superior sealing\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.578 inches and connecting rod length of 6.243 inches\u003c\/li\u003e\n\u003cli\u003eApproximate compression ratios available: 9.41:1 (65cc), 8.65:1 (74cc), and 7.9:1 (85cc) for tuning flexibility\u003c\/li\u003e\n\u003cli\u003eForged from high-strength alloy for enhanced durability under high stress and elevated temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe FX Series pistons are crafted using advanced forging techniques that ensure uniform grain structure and superior mechanical properties. This process results in pistons that resist cracking, scuffing, and thermal fatigue, even under extreme operating conditions. The forged alloy material provides an excellent strength-to-weight ratio, reducing reciprocating mass and improving engine responsiveness.\u003c\/p\u003e\u003cp\u003eThe pistons feature a carefully engineered dish top design with a precise volume to optimize combustion efficiency and control detonation. The ring grooves are machined to tight tolerances to accommodate high-performance piston rings, ensuring excellent sealing and oil control. Additionally, the wrist pin options allow for customization based on engine build preferences and durability requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese DSS Racing FX Series Forged Pistons are direct replacements for factory pistons in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. Installation requires standard engine rebuilding procedures and may involve balancing and blueprinting for optimal performance. The pistons are compatible with the factory stroke and rod length specifications, minimizing the need for additional modifications.\u003c\/p\u003e\u003cp\u003eProfessional installation is recommended to ensure proper ring end gap, piston-to-wall clearance, and wrist pin fitment. These pistons are ideal for engine builders seeking reliable, high-quality components for naturally aspirated or forced induction applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of 8 DSS Racing FX Series Forged Pistons\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit options depending on SKU)\u003c\/li\u003e\n\u003cli\u003eInstallation instructions and technical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons are perfect for performance enthusiasts, engine builders, and racers who demand durable, high-strength pistons for their 6.1L Mopar Hemi engines. Whether upgrading a street machine, preparing a track car, or building a reliable powerplant for daily driving, these pistons provide the foundation for improved power, efficiency, and engine longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381008253140,"sku":"1-6845-4090D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381008285908,"sku":"2-6845-4090D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381008318676,"sku":"3-6845-4090D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381008351444,"sku":"K1-6845-4090D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381008384212,"sku":"K2-6845-4090D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381008416980,"sku":"K3-6845-4090D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002100_4_0f32a855-c3d1-4cef-9689-9121f39dd21e.webp?v=1771667016"},{"product_id":"6845-4100-6-1-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-100-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set 4.100\" Bore: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4100D \/ 2-6845-4100D \/ 3-6845-4100D \/ K1-6845-4100D \/ K2-6845-4100D \/ K3-6845-4100D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, including the 378 Small Block Mopar Hemi Gen III platform. Designed for enthusiasts and professional builders seeking enhanced durability and performance, these pistons offer a reliable upgrade over stock components. Whether you're rebuilding or upgrading your engine, this piston set delivers consistent strength and precision to handle increased power and demanding conditions.\u003c\/p\u003e\u003cp\u003eWith a 4.100\" bore size and a compact 1.21\" compression height, these pistons are optimized for high-performance applications. The -18cc dish top design helps manage compression ratios effectively, making them suitable for a variety of forced induction or naturally aspirated setups.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced design elements to ensure durability and performance in high-stress environments:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 6.1L SRT8 engines from Chrysler, Dodge, Jeep, and Ram\u003c\/li\u003e\n\u003cli\u003e4.100\" bore diameter tailored for precise fitment\u003c\/li\u003e\n\u003cli\u003eForged construction for superior strength and resistance to detonation\u003c\/li\u003e\n\u003cli\u003e18cc dish top to optimize combustion chamber volume and compression ratio\u003c\/li\u003e\n\u003cli\u003eCompression height of 1.21\" for ideal piston-to-cylinder head clearance\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eDesigned to work with a 3.578\" stroke and 6.243\" connecting rods\u003c\/li\u003e\n\u003cli\u003eApproximate compression ratios ranging from 7.94 to 9.45 depending on combustion chamber volume\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing FX Series pistons are crafted from high-quality forged aluminum alloy, providing an excellent balance of lightweight strength and thermal conductivity. The forging process enhances grain structure, resulting in pistons that withstand extreme combustion pressures and temperatures common in performance engines.\u003c\/p\u003e\u003cp\u003eThe pistons feature a carefully engineered dish top design with an 18cc volume reduction to optimize combustion efficiency and reduce the risk of detonation. Precision machining ensures tight tolerances for superior ring sealing and minimal friction. The wrist pin bore supports both full-floating and press-fit configurations, allowing flexibility depending on engine build preferences.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, making it a direct replacement for stock pistons in these applications. Installation requires standard engine rebuild procedures, including proper honing and cleaning of the cylinder bores. Depending on your build, you may need to select the appropriate wrist pin retention method (full-floating or press-fit) to match your connecting rods.\u003c\/p\u003e\u003cp\u003eDue to the precise compression height and bore size, these pistons maintain factory geometry, ensuring compatibility with existing cylinder heads and components without the need for extensive modifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons with 4.100\" bore diameter\u003c\/li\u003e\n\u003cli\u003eWrist pin bore compatible with .927\" pins (full-floating or press-fit options)\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves sized 1.2\/1.2\/3mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding their 6.1L SRT8 engines. Whether you are increasing power output, improving engine reliability, or preparing your vehicle for track or street performance, these forged pistons provide a strong foundation for enhanced engine durability and efficiency.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381008842964,"sku":"1-6845-4100D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381008875732,"sku":"2-6845-4100D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381008908500,"sku":"3-6845-4100D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381008941268,"sku":"K1-6845-4100D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381008974036,"sku":"K2-6845-4100D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381009006804,"sku":"K3-6845-4100D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002098_4_7c466b5f-e8ff-4be0-9bc8-3cd3a6165d73.webp?v=1771667015"},{"product_id":"6845-4100-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-100-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 (05-10)","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4100 \/ 2-6845-4100 \/ 3-6845-4100 \/ K1-6845-4100 \/ K2-6845-4100 \/ K3-6845-4100\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered specifically for the 6.1L Gen III Hemi Small Block engines found in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models. Designed to deliver superior strength and reliability, these pistons are ideal for enthusiasts and professional builders seeking to enhance engine durability and performance under demanding conditions.\u003c\/p\u003e\u003cp\u003eCrafted to exacting specifications, this piston set offers a perfect balance of lightweight construction and robust design, making it suitable for both street and track applications. Whether you are upgrading your engine for increased power output or replacing worn components, the DSS Racing FX Series pistons provide a dependable foundation for your build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced engineering to meet the rigorous demands of high-performance Mopar Hemi engines. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 6.1L Gen III Hemi Small Block engines used in Chrysler, Dodge, Jeep, and Ram SRT8 models\u003c\/li\u003e\n\u003cli\u003eForged construction for enhanced strength and durability compared to cast pistons\u003c\/li\u003e\n\u003cli\u003eCompact dish top design with an 18cc dish volume to optimize combustion chamber shape\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.578\" and connecting rod length of 6.243\" for precise engine geometry\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios approximately ranging from 7.94 to 9.45, depending on combustion chamber volume (65cc, 74cc, 85cc)\u003c\/li\u003e\n\u003cli\u003eDesigned for use with 378 Small Block Mopar Hemi Gen III engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons are forged from premium-grade aluminum alloy, providing an optimal combination of lightweight properties and exceptional strength. The forging process enhances the grain structure of the metal, resulting in pistons that resist cracking, scuffing, and thermal fatigue even under high cylinder pressures and temperatures.\u003c\/p\u003e\u003cp\u003eThe pistons feature a carefully engineered dish top design with an 18cc dish volume to improve combustion efficiency and reduce the risk of detonation. Pin bosses are precision-machined to accept either full-floating or press-fit wrist pins, allowing builders to tailor the setup to their specific performance needs. The ring grooves are machined to tight tolerances to ensure proper ring sealing and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct fit replacement for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 Gen III Hemi Small Block engines, simplifying installation without the need for extensive modifications. Proper engine assembly practices, including precise ring end gap setting and clearance checks, are recommended to ensure optimal performance and durability.\u003c\/p\u003e\u003cp\u003eDue to the availability of different compression ratio options and pin configurations, it is important to select the correct piston variant that matches your engine build specifications and intended use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as required for engine configuration)\u003c\/li\u003e\n\u003cli\u003eWrist pin options (full-floating or press-fit, depending on SKU)\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for compression ratio and piston dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding 6.1L Gen III Hemi Small Block engines. 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Designed to deliver exceptional strength and durability, these pistons are ideal for enthusiasts and professional builders seeking to enhance engine reliability and performance under demanding conditions. Whether you are upgrading for increased power output or replacing worn factory components, this piston set offers a precision fit and superior construction to support high-performance applications.\u003c\/p\u003e\u003cp\u003eWith a focus on maintaining factory-like dimensions while improving strength and heat resistance, the FX Series pistons provide a reliable foundation for both street and track use. Their forged design ensures they can withstand elevated combustion pressures and temperatures, making them a trusted choice for serious Mopar enthusiasts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese DSS Racing pistons incorporate advanced engineering and materials to meet the rigorous demands of the 6.1L Hemi platform. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 376 Small Block Mopar Hemi Gen III engines\u003c\/li\u003e\n\u003cli\u003eCompact height of 1.21 inches for optimal compression and clearance\u003c\/li\u003e\n\u003cli\u003e18cc dish top design to control compression ratio and combustion characteristics\u003c\/li\u003e\n\u003cli\u003e.927-inch pin diameter with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm for reliable ring sealing and durability\u003c\/li\u003e\n\u003cli\u003eDesigned to accommodate a 3.578-inch stroke and 6.243-inch connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios approximately 9.41:1 (65cc), 8.65:1 (74cc), and 7.9:1 (85cc) to suit various build goals\u003c\/li\u003e\n\u003cli\u003ePrecision forged construction for enhanced strength and fatigue resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons are crafted from high-quality forged aluminum alloy, providing an excellent balance of strength, weight, and thermal conductivity. The forging process refines the grain structure of the metal, resulting in pistons that resist cracking and deformation under high stress. The dish top design helps manage compression ratios and combustion chamber dynamics, optimizing power delivery and engine efficiency.\u003c\/p\u003e\u003cp\u003eEach piston is machined to tight tolerances to ensure a precise fit within the cylinder bore, minimizing friction and wear. The option for full-floating or press-fit wrist pins allows builders to tailor the assembly to their specific performance and durability requirements. Additionally, the ring grooves are engineered to maintain ring stability and sealing under extreme operating conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct fit replacement for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 Gen III Hemi engines. Installation typically requires standard engine rebuild procedures, including proper honing of cylinder bores and careful assembly to manufacturer specifications. No major modifications are necessary, making these pistons an excellent upgrade for both OEM rebuilds and performance builds.\u003c\/p\u003e\u003cp\u003eBuilders should verify compatibility with their specific engine configuration and consider the selected compression ratio to match their intended fuel and tuning setup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons for the 6.1L Gen III Hemi\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit options depending on SKU)\u003c\/li\u003e\n\u003cli\u003eRing groove machining for standard piston rings\u003c\/li\u003e\n\u003cli\u003eInstallation guidelines and specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is ideal for Mopar enthusiasts, engine builders, and performance tuners who demand reliable, high-strength components for their 6.1L SRT8 engines. Whether upgrading for increased horsepower, preparing for forced induction, or restoring a high-mileage engine, these pistons provide the durability and precision needed for serious performance applications.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381009039572,"sku":"1-6845-4090","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381009072340,"sku":"2-6845-4090","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381009105108,"sku":"3-6845-4090","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381009137876,"sku":"K1-6845-4090","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381009170644,"sku":"K2-6845-4090","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381009203412,"sku":"K3-6845-4090","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002096_4_583d3ef9-48fd-419e-a5a4-ed1a29b1556d.webp?v=1771667014"},{"product_id":"6845-4085-6-1-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-085-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set 4.085\" Bore: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4085D \/ 2-6845-4085D \/ 3-6845-4085D \/ K1-6845-4085D \/ K2-6845-4085D \/ K3-6845-4085D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, offering a direct fit for most models equipped with this powerplant. Designed for enthusiasts and professional builders alike, these pistons provide a robust upgrade over stock components, delivering enhanced strength and durability under high-performance conditions. Whether you are rebuilding your engine or upgrading for increased power and reliability, this piston set is crafted to meet the demands of modern performance applications.\u003c\/p\u003e\u003cp\u003eWith a bore size of 4.085 inches and a compact dish top design, these pistons optimize combustion efficiency and compression ratios, making them ideal for street, strip, or track use. Their compatibility with the 375 Small Block Mopar Hemi Gen III platform ensures precise fitment and reliable operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt with advanced engineering and precision manufacturing, the DSS Racing FX Series Forged Pistons offer the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and resistance to high stress\u003c\/li\u003e\n\u003cli\u003e4.085\" bore size tailored for Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003eCompact dish top with -18cc volume to optimize compression and combustion\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" compatible with full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for reliable ring sealing\u003c\/li\u003e\n\u003cli\u003eDesigned for a stroke of 3.578\" and connecting rod length of 6.243\"\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios approximately ranging from 7.88 to 9.39\u003c\/li\u003e\n\u003cli\u003ePrecision machining ensures consistent performance and durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe FX Series pistons are forged from high-grade aluminum alloy, providing an excellent balance of lightweight design and exceptional strength. This construction allows the pistons to withstand the intense pressures and temperatures generated in high-performance Hemi engines. The dish top design with a -18cc volume helps control compression ratios, reducing the risk of detonation while maintaining power output.\u003c\/p\u003e\u003cp\u003eEach piston features carefully engineered ring grooves and pin bosses to ensure optimal sealing and minimal friction. The option for full-floating or press-fit wrist pins adds versatility for different engine builds and preferences. The precise dimensions and tight tolerances reflect DSS Racing’s commitment to quality and performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct replacement for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, simplifying installation without the need for extensive modifications. The bore size and stroke specifications match factory dimensions, ensuring compatibility with existing engine components such as rods and rings. Proper engine assembly practices and clearances should be followed to achieve optimal performance and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons with 4.085\" bore\u003c\/li\u003e\n\u003cli\u003eWrist pins compatible with full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for compression ratios and dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers who demand reliable, high-strength components for their Mopar 6.1L SRT8 engines. Whether upgrading for increased horsepower, rebuilding a worn engine, or preparing a vehicle for track use, these pistons provide a durable foundation for enhanced engine performance and longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381009727700,"sku":"1-6845-4085D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381009760468,"sku":"2-6845-4085D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381009793236,"sku":"3-6845-4085D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381009826004,"sku":"K1-6845-4085D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381009858772,"sku":"K2-6845-4085D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381009891540,"sku":"K3-6845-4085D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002094_4_436d2ced-9e4d-4325-9770-a61a4c25a65a.webp?v=1771667013"},{"product_id":"6845-4085-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-085-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing 6.1 Stroker FX Series Forged Piston Set: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4085 \/ 2-6845-4085 \/ 3-6845-4085 \/ K1-6845-4085 \/ K2-6845-4085 \/ K3-6845-4085\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing 6.1 Stroker FX Series Forged Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. Designed to handle the increased demands of stroker builds and high-performance applications, these pistons provide exceptional strength and durability. Whether you are upgrading your engine for street performance, track use, or serious muscle car restoration, this piston set offers a reliable foundation for enhanced power and longevity.\u003c\/p\u003e\u003cp\u003eBuilt to exacting specifications, these pistons feature a -18cc dish top design to optimize compression ratios and combustion efficiency. They are compatible with the 375 Small Block Mopar Hemi Gen III platform and are ideal for enthusiasts seeking a high-quality forged piston solution that fits most 6.1L SRT8 models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese DSS Racing forged pistons incorporate advanced design elements and precision manufacturing to deliver superior performance and reliability:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for maximum strength and durability under high stress\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for precise piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003e18cc dish top to optimize combustion chamber volume and compression ratio\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for optimal ring sealing and reduced friction\u003c\/li\u003e\n\u003cli\u003eDesigned for a 3.578\" stroke and 6.243\" connecting rod length, matching stroker configurations\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes (65cc, 74cc, 85cc) to tailor compression ratios from 7.88 to 9.39\u003c\/li\u003e\n\u003cli\u003ePrecision CNC machining ensures consistent fit and performance\u003c\/li\u003e\n\u003cli\u003eCompatible with Mopar Gen III Hemi 6.1L engines used in SRT8 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons are crafted from high-grade forged aluminum alloy, providing an optimal balance of lightweight strength and thermal conductivity. The forging process enhances the metal grain structure, resulting in pistons that resist cracking, scuffing, and deformation under extreme heat and pressure.\u003c\/p\u003e\u003cp\u003eThe pistons feature a carefully engineered dish top design to control compression ratios and promote efficient combustion. The wrist pin bore is precision-machined to accept either full-floating or press-fit pins, allowing flexibility depending on engine build preferences. Ring grooves are cut to tight tolerances to maintain ring seal and reduce blow-by, contributing to improved engine efficiency and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct fit replacement for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, including stroker builds with a 3.578\" stroke. Installation requires standard engine assembly procedures and may involve balancing and blueprinting for optimal performance. The pistons accommodate both full-floating and press-fit wrist pins, giving builders options based on their connecting rod and pin setup.\u003c\/p\u003e\u003cp\u003eProper ring end gap and piston-to-wall clearance should be verified during installation to ensure reliable operation. These pistons are compatible with factory and aftermarket components designed for the Mopar Gen III Hemi platform.\u003c\/p\u003e\u003cp\u003eWhat’s Included\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of 8 DSS Racing FX Series forged pistons\u003c\/li\u003e\n\u003cli\u003eWrist pin bore prepared for full-floating or press-fit pins\u003c\/li\u003e\n\u003cli\u003eMultiple dish volume options for compression ratio tuning\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and professional shops upgrading or rebuilding Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. It suits stroker builds, high-boost applications, and naturally aspirated setups requiring durable forged pistons capable of handling increased cylinder pressures and RPM.\u003c\/p\u003e\u003cp\u003eWhether you are building a street cruiser, drag racer, or track-focused muscle car, these pistons provide a solid foundation for reliable power gains and engine longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381010120916,"sku":"1-6845-4085","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381010153684,"sku":"2-6845-4085","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381010186452,"sku":"3-6845-4085","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381010219220,"sku":"K1-6845-4085","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381010251988,"sku":"K2-6845-4085","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381010284756,"sku":"K3-6845-4085","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002093_4_d57f97fc-5088-480e-96a5-dda4062695d5.webp?v=1771667013"},{"product_id":"6845-4075-6-1-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-075-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set: Fits Chrysler \/ Dodge \/ Jeep 6.1L Gen III Hemi","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4075D \/ 2-6845-4075D \/ 3-6845-4075D \/ K1-6845-4075D \/ K2-6845-4075D \/ K3-6845-4075D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered specifically for the 6.1L Gen III Mopar Hemi engines found in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models. Designed to deliver superior strength and durability, these pistons are ideal for enthusiasts and professional builders seeking to maximize engine performance and reliability under high-stress conditions. Whether you are upgrading for increased horsepower, improving engine longevity, or building a high-performance street or track engine, these forged pistons provide a solid foundation for your build.\u003c\/p\u003e\u003cp\u003eWith a compact dish design and precise dimensions tailored to the 373 Small Block Mopar Hemi Gen III, the FX Series pistons ensure optimal combustion chamber volume and compression ratios, contributing to efficient power delivery and engine responsiveness.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons incorporate advanced engineering and manufacturing techniques to meet the demands of high-performance applications:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for enhanced strength and resistance to high combustion pressures\u003c\/li\u003e\n\u003cli\u003eComp Height of 1.21 inches for precise piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003e18cc dish top design to optimize combustion chamber volume and compression ratio\u003c\/li\u003e\n\u003cli\u003e.927 inch wrist pin diameter with options for full-floating or press-fit pin installation\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eCompatible with a 3.578 inch stroke and 6.243 inch connecting rods for proper fitment\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes to achieve approximate compression ratios of 9.34:1 (65cc), 8.59:1 (74cc), and 7.85:1 (85cc)\u003c\/li\u003e\n\u003cli\u003ePrecision CNC machining ensures tight tolerances and consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons are crafted from premium forged aluminum alloy, providing an excellent balance of lightweight design and high tensile strength. This material choice allows the pistons to withstand the extreme heat and pressure generated in high-performance Mopar Hemi engines while minimizing reciprocating mass for improved throttle response.\u003c\/p\u003e\u003cp\u003eThe pistons feature a carefully engineered dish top with a -18cc volume to optimize combustion efficiency and reduce the risk of detonation. The wrist pin bore is designed to accept either full-floating or press-fit pins, offering flexibility depending on your engine build preferences. Additionally, the ring grooves are machined to tight specifications to ensure proper ring sealing and durability under demanding conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for the 6.1L Gen III Mopar Hemi engines used in Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models. Installation requires standard engine assembly procedures, and the pistons are compatible with the factory stroke of 3.578 inches and connecting rod length of 6.243 inches. Depending on your build, you may select full-floating or press-fit wrist pins to match your engine’s requirements.\u003c\/p\u003e\u003cp\u003eProper ring end gap and piston-to-wall clearance should be checked during assembly to ensure optimal performance and longevity. These pistons are suitable for both street performance upgrades and more aggressive racing applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons for 6.1L Gen III Mopar Hemi engines\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit options depending on SKU)\u003c\/li\u003e\n\u003cli\u003eInstallation instructions and technical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for Mopar enthusiasts and professional engine builders who demand reliable, high-strength components for their 6.1L SRT8 engines. Whether upgrading a street vehicle for enhanced performance, building a track-ready machine, or restoring a high-output Mopar engine, the DSS Racing FX Series pistons offer the durability and precision needed to support increased power levels and aggressive driving conditions.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381010514132,"sku":"1-6845-4075D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381010546900,"sku":"2-6845-4075D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381010579668,"sku":"3-6845-4075D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381010612436,"sku":"K1-6845-4075D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381010645204,"sku":"K2-6845-4075D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381010677972,"sku":"K3-6845-4075D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002090_4_a5cdbc67-ddb3-48ba-8b08-b4d8c17d87fb.webp?v=1771667012"},{"product_id":"6845-4075-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-075-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set 6.1 Stroker Mopar Hemi Gen III: Fits most 6.1L SRT8","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003e2005–Present Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4075 \/ 2-6845-4075 \/ 3-6845-4075 \/ K1-6845-4075 \/ K2-6845-4075 \/ K3-6845-4075\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing 6.1 Stroker Small Block Mopar Hemi Gen III FX Series Forged Piston Set is engineered for enthusiasts and professional builders seeking enhanced durability and performance for their 6.1L SRT8 engines. Designed to fit most Chrysler, Dodge, Jeep, and Ram models equipped with the 6.1L Hemi, this piston set is ideal for stroker builds and high-performance applications. With a focus on strength and precision, these pistons provide reliable operation under demanding conditions while supporting increased power output and engine longevity.\u003c\/p\u003e\u003cp\u003eWhether you are upgrading your engine for street performance, track use, or custom builds, these forged pistons offer the quality and specifications needed to maximize your 6.1L Hemi’s potential.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt to meet the rigorous demands of high-performance Mopar engines, the DSS Racing FX Series pistons include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and durability compared to cast pistons\u003c\/li\u003e\n\u003cli\u003eCompensated dish top design with an -18cc dish volume to optimize compression ratios\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" compatible with full-floating or press-fit wrist pins\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm for reliable ring sealing and reduced friction\u003c\/li\u003e\n\u003cli\u003eDesigned for a 3.578\" stroke and 6.243\" connecting rod length, matching stroker build specifications\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression volumes (65cc, 74cc, 85cc) to tailor compression ratios from approximately 7.85:1 to 9.34:1\u003c\/li\u003e\n\u003cli\u003ePrecision machining ensures consistent piston-to-cylinder wall clearance and optimal fitment\u003c\/li\u003e\n\u003cli\u003eCompatible with the 373 Small Block Mopar Hemi Gen III platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are crafted from high-grade forged aluminum alloy, providing an excellent balance of lightweight strength and thermal conductivity. The forging process enhances the grain structure of the metal, resulting in pistons that resist cracking and deformation under high combustion pressures and temperatures. The dish top design reduces compression to accommodate forced induction or higher boost levels while maintaining efficient combustion chamber dynamics.\u003c\/p\u003e\u003cp\u003eEach piston features precision-machined ring grooves and pin bores to ensure proper ring seal and wrist pin fitment, critical for maintaining engine efficiency and durability. The design supports either full-floating or press-fit wrist pins, allowing flexibility depending on your build preferences.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered for direct fitment in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, including stroker configurations with a 3.578\" stroke. Installation requires standard engine assembly procedures, and it is recommended to verify clearances and ring end gaps during installation. These pistons are compatible with existing Gen III Hemi components, but professional installation is advised to ensure optimal performance and reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as required for engine configuration)\u003c\/li\u003e\n\u003cli\u003ePrecision-machined piston rings installed in grooves\u003c\/li\u003e\n\u003cli\u003eWrist pin compatibility for full-floating or press-fit applications\u003c\/li\u003e\n\u003cli\u003eTechnical specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for engine builders, performance enthusiasts, and racers upgrading or rebuilding 6.1L Mopar Hemi engines. It suits stroker builds, forced induction setups, and naturally aspirated applications requiring enhanced strength and tailored compression ratios. Whether upgrading for street performance, drag racing, or track use, these pistons provide a reliable foundation for increased power and durability.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381010710740,"sku":"1-6845-4075","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381010743508,"sku":"2-6845-4075","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381010776276,"sku":"3-6845-4075","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381010809044,"sku":"K1-6845-4075","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381010841812,"sku":"K2-6845-4075","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381010874580,"sku":"K3-6845-4075","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002089_4_4772a03b-ac18-4054-ac2c-7d08932da164.webp?v=1771667011"},{"product_id":"6845-4065-6-1-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-065-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set: Fits Dodge \/ Chrysler \/ Jeep 6.1L Gen III Hemi","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4065D \/ 2-6845-4065D \/ 3-6845-4065D \/ K1-6845-4065D \/ K2-6845-4065D \/ K3-6845-4065D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, based on the Gen III Hemi platform. Designed to replace factory pistons, this set is ideal for enthusiasts and professional builders seeking enhanced durability and performance in high-output applications. Whether you are upgrading for street performance, track use, or forced induction builds, these pistons provide the strength and precision needed to handle increased power and demanding conditions.\u003c\/p\u003e\u003cp\u003eFeaturing a compact dish top design and optimized compression ratios, the FX Series pistons help maintain efficient combustion and power delivery while supporting engine reliability under stress. Their compatibility with the 371 Small Block Mopar Hemi Gen III architecture ensures a seamless fit with minimal modifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons combine advanced engineering and quality materials to deliver superior performance and longevity. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for maximum strength and resistance to detonation\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches for precise piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003e18cc dish top design to optimize combustion chamber volume and compression ratio\u003c\/li\u003e\n\u003cli\u003e.927 inch wrist pin diameter with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eCompatible with a 3.578 inch stroke and 6.243 inch connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios to suit different build goals: 65cc (9.31:1), 74cc (8.57:1), and 85cc (7.82:1)\u003c\/li\u003e\n\u003cli\u003ePrecision CNC machining for tight tolerances and consistent performance\u003c\/li\u003e\n\u003cli\u003eDesigned to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines without extensive modification\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston in the FX Series set is forged from high-grade aluminum alloy, providing an excellent balance of strength, weight, and thermal conductivity. The forging process enhances the metal grain structure, resulting in pistons that resist cracking, scuffing, and deformation under extreme heat and pressure. The dish top design reduces compression volume, allowing for tuning flexibility and improved knock resistance.\u003c\/p\u003e\u003cp\u003eThe pistons feature a durable skirt coating to reduce friction and wear, while the ring grooves are machined to exact specifications to ensure optimal ring seal and longevity. The wrist pin bore supports either full-floating or press-fit pins, giving builders options based on their engine setup and performance requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons are designed as direct replacements for factory pistons in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. Installation requires standard engine assembly procedures, including proper ring end gap setting and piston orientation. Depending on the wrist pin option selected, either full-floating or press-fit installation methods apply.\u003c\/p\u003e\u003cp\u003eThese pistons are compatible with the Gen III Hemi 371 Small Block architecture and work seamlessly with stock or upgraded connecting rods and crankshafts. Builders should verify clearances and compression ratios based on their specific engine build and intended use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete set of forged pistons for all cylinders\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit, depending on option)\u003c\/li\u003e\n\u003cli\u003ePiston rings sized for 1.2mm top and second rings, and 3mm oil ring groove\u003c\/li\u003e\n\u003cli\u003eInstallation instructions and technical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding their 6.1L SRT8 engines. It suits naturally aspirated builds seeking improved strength and reliability, as well as forced induction applications requiring pistons capable of handling increased cylinder pressures. Whether upgrading for street, strip, or track, the DSS Racing FX Series pistons provide a solid foundation for high-performance Mopar builds.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381010907348,"sku":"1-6845-4065D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381010940116,"sku":"2-6845-4065D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381010972884,"sku":"3-6845-4065D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381011005652,"sku":"K1-6845-4065D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381011038420,"sku":"K2-6845-4065D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381011071188,"sku":"K3-6845-4065D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002088_4_ebe4d36b-25b6-496b-b74a-2a4b5abf4f57.webp?v=1771667011"},{"product_id":"6845-4065-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-065-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 (05-10)","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003e2005–2010 Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4065 \/ 2-6845-4065 \/ 3-6845-4065 \/ K1-6845-4065 \/ K2-6845-4065 \/ K3-6845-4065\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered specifically for the 6.1L Gen III Mopar Hemi engines found in most Chrysler, Dodge, Jeep, and Ram SRT8 models. Designed to replace factory cast pistons, these forged pistons offer superior strength and durability, making them an ideal upgrade for enthusiasts seeking enhanced engine reliability and performance under demanding conditions.\u003c\/p\u003e\u003cp\u003eWhether you are building a high-performance street machine or a track-focused vehicle, these pistons provide the necessary robustness to handle increased power levels and aggressive tuning. Their precise specifications ensure compatibility and optimal combustion chamber dynamics, maintaining factory-like drivability while supporting higher compression ratios.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons combine advanced engineering with premium materials to deliver exceptional performance and longevity. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for maximum strength and resistance to detonation\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches for precise deck clearance and piston-to-head fitment\u003c\/li\u003e\n\u003cli\u003e18cc dish top design to optimize combustion chamber volume and compression ratio\u003c\/li\u003e\n\u003cli\u003e.927-inch wrist pin diameter supporting full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm top and second rings, and 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.578-inch stroke crankshafts and 6.243-inch connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes (65cc, 74cc, 85cc) to tailor compression ratios from approximately 9.31:1 down to 7.82:1\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the 371 Small Block Mopar Hemi Gen III engine architecture\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston in the FX Series is crafted from high-grade forged aluminum alloy, providing an excellent balance of lightweight strength and thermal conductivity. The forging process enhances the grain structure of the metal, resulting in superior fatigue resistance and durability compared to standard cast pistons.\u003c\/p\u003e\u003cp\u003eThe -18cc dish top design reduces the compression ratio to accommodate forced induction or higher boost levels, while the precise ring grooves ensure optimal ring sealing and oil control. The pistons are engineered to fit the Gen III Mopar Hemi’s unique bore and stroke dimensions, ensuring a perfect fit and smooth operation within the cylinder bore.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is a direct fit replacement for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines equipped with the Gen III Mopar Hemi platform. Installation requires standard engine rebuild procedures, including proper honing and cleaning of the cylinder bores. The wrist pins can be installed as either full-floating or press-fit, depending on your engine build preferences.\u003c\/p\u003e\u003cp\u003eDue to the different dish volumes available, builders can select the piston that best matches their desired compression ratio and engine setup. Professional installation is recommended to ensure optimal piston ring end gap and clearance specifications are met.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as per engine requirements)\u003c\/li\u003e\n\u003cli\u003eWrist pins compatible with full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for compression ratio and piston dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding 6.1L Gen III Mopar Hemi engines. It suits applications ranging from street performance to track and drag racing, especially where increased strength and reliability are critical under high-stress conditions.\u003c\/p\u003e\u003cp\u003eThese pistons are perfect for those seeking to improve engine durability while maintaining or adjusting compression ratios for forced induction or naturally aspirated builds.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381011824852,"sku":"1-6845-4065","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381011857620,"sku":"2-6845-4065","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381011890388,"sku":"3-6845-4065","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381011923156,"sku":"K1-6845-4065","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381011955924,"sku":"K2-6845-4065","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381011988692,"sku":"K3-6845-4065","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002086_4_85255a83-ddf5-4f66-9ab8-19e69bbc1e9b.webp?v=1771667010"},{"product_id":"6845-4055-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-055-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 (05-10)","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4055 \/ 2-6845-4055 \/ 3-6845-4055 \/ K1-6845-4055 \/ K2-6845-4055 \/ K3-6845-4055\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered specifically for the 6.1L Gen III Hemi engines found in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models. Designed to meet the demands of high-performance applications, these pistons offer exceptional strength and durability while maintaining optimal combustion efficiency. Whether you are rebuilding your engine or upgrading for enhanced power and reliability, this piston set provides a direct-fit solution that balances performance with longevity.\u003c\/p\u003e\u003cp\u003eBuilt for enthusiasts and professional builders alike, the FX Series pistons are ideal for those seeking to maximize their engine’s potential without compromising on quality or fitment. Their precise dimensions and advanced design ensure compatibility with stock and modified components, making them a versatile choice for a wide range of performance builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons incorporate advanced engineering and premium materials to deliver superior performance and reliability. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for enhanced strength and durability under high stress\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches for optimal piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003e18cc dish top design to control compression and support various combustion chamber volumes\u003c\/li\u003e\n\u003cli\u003e.927 inch pin diameter with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eCompatible with a 3.578 inch stroke and 6.243 inch connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes (65cc, 74cc, 85cc) to tailor compression ratios from approximately 7.8:1 to 9.29:1\u003c\/li\u003e\n\u003cli\u003ePrecision manufacturing to ensure consistent fitment and performance in 6.1L Gen III Hemi engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are crafted from high-grade forged aluminum alloy, providing an excellent balance of lightweight construction and structural integrity. The forging process enhances grain structure, resulting in pistons that resist cracking and deformation under extreme heat and pressure. The dish top design helps manage compression ratios and combustion dynamics, making these pistons suitable for both street and track applications.\u003c\/p\u003e\u003cp\u003eThe piston pin bore is engineered to accept either full-floating or press-fit pins, allowing flexibility depending on your engine build preferences. Ring grooves are machined to tight tolerances, ensuring proper ring sealing and minimizing blow-by for improved engine efficiency.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons are designed as direct replacements for the 6.1L Gen III Hemi engines used in Chrysler, Dodge, Jeep, and Ram SRT8 models. Installation requires standard engine rebuilding procedures and should be performed by a qualified technician to ensure proper clearances and torque specifications. No major modifications are typically necessary, making these pistons a straightforward upgrade for performance rebuilds or repairs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as required per engine)\u003c\/li\u003e\n\u003cli\u003ePiston pins compatible with full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves ready for high-performance piston rings\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers who demand reliable, high-strength components for their 6.1L Gen III Hemi engines. Whether upgrading for increased power, rebuilding a worn engine, or preparing a vehicle for track use, these pistons provide a durable and precise foundation for enhanced engine performance.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381012414676,"sku":"1-6845-4055","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381012447444,"sku":"2-6845-4055","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381012480212,"sku":"3-6845-4055","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381012512980,"sku":"K1-6845-4055","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381012545748,"sku":"K2-6845-4055","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381012578516,"sku":"K3-6845-4055","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002084_4_9320eda6-a279-4906-aff1-1baa6c84b47e.webp?v=1771667009"},{"product_id":"6840-4125-6-1-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-125-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Flat Top Piston Set 4.125\" Bore: Chrysler \/ Dodge \/ Jeep (6.1L SRT8)","description":"\u003ch3\u003eDSS Racing FX Series Forged Flat Top Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4125D \/ 2-6840-4125D \/ 3-6840-4125D \/ K1-6840-4125D \/ K2-6840-4125D \/ K3-6840-4125D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Flat Top Piston Set is engineered specifically for high-performance applications in Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 6.1L SRT8 engine. Designed to fit most models featuring a 4.125\" bore, these pistons are ideal for enthusiasts and professional builders seeking enhanced durability and precision in their engine builds.\u003c\/p\u003e\u003cp\u003eThese pistons are crafted to optimize combustion efficiency and withstand the rigors of increased power output, making them a reliable upgrade for street performance, track use, or custom engine projects. Their flat top design and precise specifications ensure improved compression and consistent performance across a variety of setups.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe FX Series pistons incorporate advanced engineering and materials to deliver superior performance and longevity. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for maximum strength and durability under high stress\u003c\/li\u003e\n\u003cli\u003eFlat top design with a -1.5cc volume to optimize compression ratios\u003c\/li\u003e\n\u003cli\u003eCompatible with 4.125\" bore engines, specifically tailored for Chrysler\/Dodge\/Jeep\/Ram 6.1L SRT8 models\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for reliable ring sealing and reduced blow-by\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for precise piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003eDesigned for use with a 3.578\" stroke and 6.243\" rod length, matching factory and aftermarket builds\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes (65cc, 74cc, 85cc) to achieve compression ratios ranging from 9.2:1 to 11.36:1\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston in the FX Series is forged from high-grade aluminum alloy, providing an excellent balance of lightweight strength and thermal conductivity. The forging process enhances grain structure, resulting in pistons that resist cracking, scuffing, and deformation under extreme operating conditions.\u003c\/p\u003e\u003cp\u003eThe flat top design reduces quench distance and promotes efficient combustion, which can improve power output and throttle response. The pistons are engineered with precise ring grooves and pin bosses to ensure compatibility with factory and aftermarket components, allowing for flexible installation options.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines with a 4.125\" bore. Installation requires standard engine assembly procedures, and depending on the pin option selected (full-floating or press-fit), minor adjustments may be necessary. It is recommended to consult with a professional engine builder or mechanic to ensure proper fitment and clearances are maintained.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged flat top pistons (quantity as per SKU selection)\u003c\/li\u003e\n\u003cli\u003ePin options available: full-floating or press-fit\u003c\/li\u003e\n\u003cli\u003eRing groove machining for 1.2\/1.2\/3mm ring sets\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding Chrysler, Dodge, Jeep, or Ram 6.1L SRT8 engines. Whether building a street performance engine, a track-ready powerplant, or a custom Mopar Hemi Gen III 383 small block, these pistons provide the strength and precision needed to handle increased horsepower and torque demands.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381012611284,"sku":"1-6840-4125D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381012644052,"sku":"2-6840-4125D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381012676820,"sku":"3-6840-4125D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381012709588,"sku":"K1-6840-4125D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381012742356,"sku":"K2-6840-4125D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381012775124,"sku":"K3-6840-4125D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002082_4_d5a8aebb-47bc-4ded-aba4-dce3862526ee.webp?v=1771667008"},{"product_id":"6840-4100-6-1-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-100-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Gen III Hemi Forged Piston Set 4.100\" Bore: Chrysler \/ Dodge \/ Jeep 6.1L SRT8","description":"\u003ch3\u003eDSS Racing FX Series Gen III Hemi Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4100D \/ 2-6840-4100D \/ 3-6840-4100D \/ K1-6840-4100D \/ K2-6840-4100D \/ K3-6840-4100D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Gen III Hemi Forged Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. Designed to handle the demands of high-performance applications, these pistons offer superior strength and durability compared to stock cast pistons. Ideal for enthusiasts and professional builders looking to enhance engine reliability and power output, this piston set ensures consistent performance under extreme conditions.\u003c\/p\u003e\u003cp\u003eWith a 4.100\" bore size and a compact 1.21\" compression height, these pistons are optimized for the 378 Small Block Mopar Hemi Gen III platform. The flat-top design with a -1.5cc dish helps achieve precise combustion chamber volumes, supporting a range of compression ratios for various tuning needs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced engineering and materials to deliver exceptional performance and longevity. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for enhanced strength and resistance to detonation\u003c\/li\u003e\n\u003cli\u003eFlat-top piston design with -1.5cc dish for optimized combustion efficiency\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" compatible with full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eCompression height of 1.21\" tailored for Gen III Hemi engine architecture\u003c\/li\u003e\n\u003cli\u003eCompatible with a 3.578\" stroke and 6.243\" connecting rods for precise fitment\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes (65cc, 74cc, 85cc) to support compression ratios from 9.09:1 to 11.23:1\u003c\/li\u003e\n\u003cli\u003eDesigned to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines for versatile application\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing utilizes premium forged aluminum alloy to manufacture these pistons, ensuring superior tensile strength and thermal conductivity. The forging process refines the grain structure of the metal, resulting in pistons that withstand high cylinder pressures and temperatures typical of performance and racing environments.\u003c\/p\u003e\u003cp\u003eThe pistons feature precision-machined ring grooves and pin bores to maintain tight tolerances and reduce friction. The flat-top design with a slight dish improves combustion efficiency and helps control detonation, making these pistons suitable for both street and track use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for the 6.1L SRT8 Gen III Hemi engines found in Chrysler, Dodge, Jeep, and Ram vehicles. Installation requires standard engine rebuild procedures and may involve balancing and blueprinting to achieve optimal performance. The pistons accommodate either full-floating or press-fit wrist pins, providing flexibility based on builder preference.\u003c\/p\u003e\u003cp\u003eDue to their precise dimensions and compatibility with stock components such as rods and crankshaft stroke, these pistons integrate seamlessly into existing engine setups with minimal modifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons sized for 4.100\" bore\u003c\/li\u003e\n\u003cli\u003eCompatible wrist pin options (full-floating or press-fit)\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves ready for high-performance piston rings\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding Chrysler, Dodge, Jeep, or Ram 6.1L SRT8 engines. Whether building a street performance engine or a track-focused powerplant, these forged pistons provide the strength and reliability needed to handle increased boost, nitrous, or naturally aspirated power levels.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381013004500,"sku":"1-6840-4100D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381013037268,"sku":"2-6840-4100D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381013070036,"sku":"3-6840-4100D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381013102804,"sku":"K1-6840-4100D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381013135572,"sku":"K2-6840-4100D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381013168340,"sku":"K3-6840-4100D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002080_4_abede255-7bfe-476e-a710-66e4729d7d74.webp?v=1771667008"},{"product_id":"6845-4055-6-1-small-block-mopar-hemi-gen-iii-fx-series-18cc-dish-top-gen-iii-hemi-forged-piston-set-4-055-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set 4.055\" Bore: Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Engines","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6845-4055D \/ 2-6845-4055D \/ 3-6845-4055D \/ K1-6845-4055D \/ K2-6845-4055D \/ K3-6845-4055D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered specifically for high-performance applications in Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 6.1L SRT8 engine. Designed to replace factory cast pistons, these forged pistons provide superior strength and durability, making them ideal for enthusiasts looking to enhance engine reliability under demanding conditions. Whether you are building a street performance engine or a track-ready powerplant, this piston set offers the precision and quality needed to withstand increased power and boost levels.\u003c\/p\u003e\u003cp\u003eThese pistons are compatible with the 370 Small Block Mopar Hemi Gen III platform and are tailored to fit engines with a 4.055\" bore size. Their compact design and optimized dish volume help maintain efficient combustion and compression ratios, supporting both naturally aspirated and forced induction setups.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt to meet the rigorous demands of performance engines, the DSS Racing FX Series Forged Pistons include the following features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision forged construction for enhanced strength and fatigue resistance\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for optimal piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003e18cc dish top design to control compression and support various combustion chamber sizes\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eCompatible with a 3.578\" stroke and 6.243\" connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes (65cc, 74cc, 85cc) to tailor compression ratios from approximately 7.8:1 to 9.29:1\u003c\/li\u003e\n\u003cli\u003eDesigned for use in the Mopar 6.1L SRT8 engine family, ensuring precise fitment and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing utilizes advanced forging techniques to produce pistons that offer superior mechanical properties compared to standard cast pistons. The FX Series pistons are crafted from high-grade aluminum alloy, providing an excellent balance of strength, weight, and thermal conductivity. This construction reduces reciprocating mass while maintaining the durability needed for high RPM and high-load conditions.\u003c\/p\u003e\u003cp\u003eThe pistons feature a carefully engineered dish top to optimize combustion chamber shape and compression ratio, enhancing power delivery and efficiency. The wrist pin bore is designed to accept either full-floating or press-fit pins, allowing flexibility depending on engine build preferences. Additionally, the ring grooves are machined to tight tolerances to ensure proper ring sealing and longevity under extreme conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed to fit most Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 6.1L SRT8 engine, specifically those with a 4.055\" bore. Installation requires standard engine rebuild procedures, including proper honing and cleaning of the cylinder bores. Depending on the wrist pin option selected, either full-floating or press-fit pins can be installed to match your engine’s configuration.\u003c\/p\u003e\u003cp\u003eProfessional installation is recommended to ensure correct piston ring end gaps, wrist pin alignment, and torque specifications. These pistons are compatible with the factory stroke and connecting rod length, making them a direct upgrade for performance rebuilds or engine refreshes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons sized for 4.055\" bore\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit, depending on selection)\u003c\/li\u003e\n\u003cli\u003ePiston rings compatible with 1.2\/1.2\/3mm groove dimensions\u003c\/li\u003e\n\u003cli\u003eInstallation instructions and technical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for automotive enthusiasts, engine builders, and racers who demand enhanced durability and performance from their Mopar 6.1L SRT8 engines. Whether upgrading for increased horsepower, forced induction, or extended engine life under high-stress conditions, the DSS Racing FX Series Forged Pistons provide a reliable foundation for serious builds.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381011628244,"sku":"1-6845-4055D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381011661012,"sku":"2-6845-4055D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381011693780,"sku":"3-6845-4055D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381011726548,"sku":"K1-6845-4055D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381011759316,"sku":"K2-6845-4055D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381011792084,"sku":"K3-6845-4055D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002079_4_df0baf83-3388-4999-99db-261fc9a70738.webp?v=1771667007"},{"product_id":"6840-4125-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-125-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Flat Top Piston Set: Fits Chrysler \/ Dodge \/ Jeep 6.1L Gen III Hemi","description":"\u003ch3\u003eDSS Racing FX Series Forged Flat Top Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4125 \/ 2-6840-4125 \/ 3-6840-4125 \/ K1-6840-4125 \/ K2-6840-4125 \/ K3-6840-4125\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Flat Top Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models featuring the Gen III Hemi engine platform. Designed to replace factory pistons, this set offers superior strength and durability for high-performance applications. Ideal for enthusiasts and professional builders seeking enhanced engine reliability and efficiency, these pistons provide a solid foundation for increased power and longevity under demanding conditions.\u003c\/p\u003e\u003cp\u003eCrafted to exacting specifications, the FX Series pistons maintain optimal compression ratios while accommodating various combustion chamber volumes, ensuring compatibility with a range of build configurations. Whether upgrading a street machine or building a race-ready engine, these pistons deliver consistent performance and improved thermal management.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt to meet the rigorous demands of high-performance Mopar engines, the DSS Racing FX Series pistons incorporate advanced design elements and materials:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for exceptional strength and durability\u003c\/li\u003e\n\u003cli\u003eFlat top design with a -1.5cc dish for optimized combustion efficiency\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches for precise deck clearance and piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003e.927-inch wrist pin diameter with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.578-inch stroke crankshafts and 6.243-inch connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes (65cc, 74cc, 85cc) to tailor compression ratios from 9.2:1 up to 11.36:1\u003c\/li\u003e\n\u003cli\u003ePrecision machining ensures tight tolerances and reliable fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe FX Series pistons are forged from premium-grade aluminum alloy, providing an optimal balance of lightweight strength and heat dissipation. The flat top profile promotes efficient combustion and reduces the risk of detonation, while the carefully engineered dish volume allows builders to fine-tune compression ratios to match specific engine setups. The wrist pins are designed for either full-floating or press-fit installation, offering flexibility depending on engine build preferences. Ring grooves are precisely cut to accommodate high-performance rings, ensuring excellent sealing and reduced blow-by.\u003c\/p\u003e\u003cp\u003eEach piston undergoes rigorous quality control and finishing processes to guarantee durability and performance under extreme operating conditions typical of SRT8 and other high-output Mopar engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct fit replacement for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 Gen III Hemi engines. Installation requires standard engine rebuild procedures, including proper honing of cylinder walls and careful measurement of piston-to-cylinder clearance. Depending on the wrist pin option selected, either full-floating or press-fit installation methods can be employed. No major modifications are necessary, making these pistons an excellent upgrade for both rebuilds and performance enhancements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged flat top pistons (quantity as required for engine)\u003c\/li\u003e\n\u003cli\u003eWrist pins (.927\" diameter) compatible with full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for compression ratios and piston dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Flat Top Pistons are ideal for performance enthusiasts, engine builders, and racers who demand reliable, high-strength components for their 6.1L Gen III Hemi engines. Whether upgrading a street SRT8 for improved durability or building a competition engine requiring precise compression tuning, these pistons offer a versatile and robust solution.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381014675668,"sku":"1-6840-4125","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381014708436,"sku":"2-6840-4125","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381014741204,"sku":"3-6840-4125","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014773972,"sku":"K1-6840-4125","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014806740,"sku":"K2-6840-4125","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014839508,"sku":"K3-6840-4125","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002078_4_14c4fe4d-2525-4c62-aa33-3701473d4aee.webp?v=1771667007"},{"product_id":"6840-4100-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-100-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Flat Top Piston Set 4.100\" Bore: Fits most 6.1L SRT8","description":"\u003ch3\u003eDSS Racing FX Series Forged Flat Top Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4100 \/ 2-6840-4100 \/ 3-6840-4100 \/ K1-6840-4100 \/ K2-6840-4100 \/ K3-6840-4100\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Flat Top Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, delivering exceptional strength and durability for high-performance applications. Designed to fit most 6.1L SRT8 models, these pistons are ideal for enthusiasts and professional builders seeking reliable, lightweight components that withstand the rigors of aggressive driving and racing conditions.\u003c\/p\u003e\u003cp\u003eFeaturing a 4.100\" bore size and a flat top design with a -1.5cc dish, these pistons optimize combustion efficiency and compression ratios, enhancing power output and throttle response. Whether you're rebuilding your engine or upgrading for increased performance, the DSS Racing FX Series pistons provide a solid foundation for your build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt with precision and performance in mind, these pistons offer a range of advanced features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and resistance to high stress\u003c\/li\u003e\n\u003cli\u003eFlat top design with a -1.5cc dish to optimize compression and combustion\u003c\/li\u003e\n\u003cli\u003eCompatible with 4.100\" bore size engines, specifically the 6.1L SRT8 HEMI\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for reliable ring sealing\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" to maintain proper piston-to-valve clearance\u003c\/li\u003e\n\u003cli\u003eDesigned for use with 3.578\" stroke and 6.243\" rod length setups\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios: 65cc (11.23:1), 74cc (10.14:1), and 85cc (9.09:1)\u003c\/li\u003e\n\u003cli\u003ePrecision-machined for consistent fitment and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons are crafted from high-grade forged aluminum alloy, providing an excellent balance of lightweight properties and structural integrity. Forging enhances the metal grain structure, resulting in pistons that resist cracking, scuffing, and deformation under extreme heat and pressure.\u003c\/p\u003e\u003cp\u003eThe flat top design with a slight dish (-1.5cc) is engineered to optimize combustion chamber dynamics, improving power delivery and efficiency. The pistons feature carefully machined ring grooves and pin bores to ensure proper sealing and smooth articulation with the connecting rods, whether using full-floating or press-fit wrist pins.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines with a 4.100\" bore. Installation requires standard engine rebuild procedures and may involve balancing and honing to achieve optimal clearances. The pistons accommodate a 3.578\" stroke crankshaft and 6.243\" connecting rods, matching factory or aftermarket configurations.\u003c\/p\u003e\u003cp\u003eChoose between full-floating or press-fit wrist pin options depending on your engine build preferences and performance goals. Proper ring installation and torque specifications should be followed to ensure reliable operation and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged flat top pistons (quantity as required for engine)\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit, depending on selection)\u003c\/li\u003e\n\u003cli\u003eRing grooves pre-machined for 1.2\/1.2\/3mm piston rings\u003c\/li\u003e\n\u003cli\u003eInstallation instructions and technical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding Chrysler, Dodge, Jeep, or Ram 6.1L SRT8 engines. Whether you are enhancing street performance, preparing for track use, or building a reliable high-output powerplant, these pistons provide the strength and precision needed to handle increased horsepower and torque demands.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381013496020,"sku":"1-6840-4100","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381013528788,"sku":"2-6840-4100","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381013561556,"sku":"3-6840-4100","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381013594324,"sku":"K1-6840-4100","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381013627092,"sku":"K2-6840-4100","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381013659860,"sku":"K3-6840-4100","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002077_4_3e0bfdfa-93ec-4ed1-9e6b-fa8229a9bbb2.webp?v=1771667006"},{"product_id":"6840-4090-6-1-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-090-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Gen III Hemi Forged Piston Set 4.090\" Bore: Chrysler \/ Dodge \/ Jeep (6.1L SRT8)","description":"\u003ch3\u003eDSS Racing FX Series Gen III Hemi Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4090D \/ 2-6840-4090D \/ 3-6840-4090D \/ K1-6840-4090D \/ K2-6840-4090D \/ K3-6840-4090D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Gen III Hemi Forged Piston Set is engineered specifically for Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 6.1L SRT8 engine. Designed to handle the rigors of high-performance applications, these pistons offer exceptional strength and durability while maintaining optimal weight for improved engine response. Whether you are rebuilding your engine or upgrading for enhanced power and reliability, this piston set delivers precision fitment and performance consistency.\u003c\/p\u003e\u003cp\u003eIdeal for enthusiasts and professional builders alike, these pistons support aggressive tuning and increased boost levels, making them a reliable choice for street, strip, or track use. Their forged construction ensures superior resistance to heat and stress compared to cast pistons, providing peace of mind under demanding conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt to exacting standards, the DSS Racing FX Series pistons incorporate advanced design elements to maximize performance and longevity:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 4.090\" bore size for most 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003eForged construction for enhanced strength and durability\u003c\/li\u003e\n\u003cli\u003eFlat top design with a -1.5cc dish for optimized combustion chamber volume\u003c\/li\u003e\n\u003cli\u003eCompression height of 1.21\" tailored for Gen III Hemi applications\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.578\" and connecting rod length of 6.243\" for precise engine geometry\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volume options to suit different compression ratios (65cc, 74cc, 85cc)\u003c\/li\u003e\n\u003cli\u003eDesigned to support compression ratios ranging approximately from 9.06:1 to 11.2:1\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston in the FX Series is forged from high-grade aluminum alloy, providing an excellent balance of lightweight construction and mechanical strength. The forging process refines the metal grain structure, resulting in pistons that resist cracking and deformation under extreme thermal and mechanical loads. The flat top with a slight dish enhances combustion efficiency and helps control detonation in high-compression setups.\u003c\/p\u003e\u003cp\u003eThe pistons feature precision-machined ring grooves and pin bores to ensure optimal sealing and minimal friction. The option for full-floating or press-fit wrist pins allows builders to tailor the assembly to their specific engine build and performance goals. This attention to detail in design and manufacturing ensures reliable operation in demanding environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines with a 4.090\" bore. Installation requires standard engine rebuilding procedures, including proper honing and cleaning of the cylinder bores. Depending on the wrist pin option selected, either full-floating or press-fit installation methods should be followed according to engine builder preferences and specifications.\u003c\/p\u003e\u003cp\u003eDue to their precise dimensions and compatibility, these pistons fit seamlessly into Gen III Hemi configurations without the need for extensive modifications, making them an excellent choice for performance upgrades or engine rebuilds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons sized for 4.090\" bore\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit depending on SKU)\u003c\/li\u003e\n\u003cli\u003eRing grooves machined to accept 1.2\/1.2\/3mm piston rings (rings not included)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, professional engine builders, and racers seeking a durable, high-quality piston solution for the 6.1L SRT8 engine platform. It supports high compression and aggressive tuning, making it suitable for street performance, drag racing, road racing, and other motorsport applications where reliability and power are paramount.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381013889236,"sku":"1-6840-4090D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381013922004,"sku":"2-6840-4090D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381013954772,"sku":"3-6840-4090D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381013987540,"sku":"K1-6840-4090D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014020308,"sku":"K2-6840-4090D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014053076,"sku":"K3-6840-4090D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002076_4_816dc1f0-7e0f-482b-938a-5966d19e6e71.webp?v=1771667006"},{"product_id":"6840-4090-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-090-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing Gen III FX Series Forged Piston Set 4.090\" Bore: Fits Dodge \/ Chrysler \/ Jeep (05-10)","description":"\u003ch3\u003eDSS Racing Gen III FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4090 \/ 2-6840-4090 \/ 3-6840-4090 \/ K1-6840-4090 \/ K2-6840-4090 \/ K3-6840-4090\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Gen III FX Series Forged Piston Set is engineered specifically for the 6.1L SRT8 engines found in Chrysler, Dodge, Jeep, and Ram vehicles. Designed to replace factory pistons, this set offers enhanced strength and durability for high-performance applications. Whether you are building a street performance engine or a track-ready powerplant, these pistons provide the reliability and precision needed to handle increased horsepower and boost levels.\u003c\/p\u003e\u003cp\u003eThese forged pistons are ideal for enthusiasts and professional builders seeking to improve engine longevity while maintaining factory-like dimensions and clearances. Their compatibility with the 376 Small Block Mopar Hemi Gen III platform ensures a direct fit with minimal modifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt with advanced forging technology and engineered for optimal performance, the DSS Racing Gen III FX Series pistons deliver a range of benefits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 4.090\" bore applications on most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003eForged construction for superior strength and resistance to detonation\u003c\/li\u003e\n\u003cli\u003eFlat top design with a -1.5cc dish for precise combustion chamber volume control\u003c\/li\u003e\n\u003cli\u003eCompression height of 1.21\" to maintain proper deck clearance and piston-to-valve clearance\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm top and second rings, and 3mm oil ring for effective sealing and oil control\u003c\/li\u003e\n\u003cli\u003eDesigned to work with a 3.578\" stroke and 6.243\" connecting rods for balanced performance\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volume options (65cc, 74cc, 85cc) to tailor compression ratios from approximately 9.06:1 to 11.2:1\u003c\/li\u003e\n\u003cli\u003ePrecision machining ensures consistent fitment and performance across all pistons in the set\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Gen III FX Series pistons are crafted from high-quality forged aluminum alloy, providing an excellent strength-to-weight ratio. The forging process enhances the grain structure of the metal, resulting in pistons that can withstand the rigors of high cylinder pressures and temperatures common in performance engines.\u003c\/p\u003e\u003cp\u003eThe flat top piston design with a slight dish (-1.5cc) optimizes combustion efficiency and helps control compression ratios for various tuning needs. The pistons feature carefully engineered ring grooves and wrist pin bores to ensure durability and reduce friction. Options for full-floating or press-fit wrist pins allow builders to customize installation based on engine requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed for direct fitment in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines using a 4.090\" bore. The pistons maintain factory dimensions for compression height and wrist pin size, simplifying installation and minimizing the need for additional machining or modifications. Proper ring end gap and clearance checks are recommended during assembly to ensure optimal performance and longevity.\u003c\/p\u003e\u003cp\u003eWhether upgrading a stock rebuild or assembling a high-performance engine, these pistons provide a reliable foundation for increased power and durability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons sized for 4.090\" bore\u003c\/li\u003e\n\u003cli\u003eWrist pins (.927\") with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves compatible with 1.2mm top and second rings, and 3mm oil rings\u003c\/li\u003e\n\u003cli\u003eComprehensive documentation for installation and specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is perfect for engine builders, performance enthusiasts, and professional shops upgrading or rebuilding 6.1L SRT8 engines. It suits applications ranging from street performance to track use, where enhanced strength, reliability, and precise combustion control are critical. The multiple combustion chamber volume options allow tuning for various compression ratios to match fuel types and power goals.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381014085844,"sku":"1-6840-4090","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381014118612,"sku":"2-6840-4090","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381014151380,"sku":"3-6840-4090","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014184148,"sku":"K1-6840-4090","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014216916,"sku":"K2-6840-4090","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014249684,"sku":"K3-6840-4090","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002074_4_065313e6-2180-4182-817e-b823b1c4ea40.webp?v=1771667007"},{"product_id":"6840-4085-6-1-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-085-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Gen III Hemi Forged Piston Set 4.085\" Bore: Chrysler \/ Dodge \/ Jeep (6.1L SRT8)","description":"\u003ch3\u003eDSS Racing FX Series Gen III Hemi Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4085D \/ 2-6840-4085D \/ 3-6840-4085D \/ K1-6840-4085D \/ K2-6840-4085D \/ K3-6840-4085D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Gen III Hemi Forged Piston Set is engineered specifically for Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. Designed to meet the demands of high-performance applications, these pistons offer exceptional strength and durability for enthusiasts looking to upgrade their small block Mopar Hemi engines. Whether you are building a street performance motor or a track-ready powerplant, this piston set provides reliable, precision-engineered components that enhance engine efficiency and longevity.\u003c\/p\u003e\u003cp\u003eThese forged pistons are tailored for the 375 Small Block Mopar Hemi Gen III platform, featuring a 4.085\" bore size and a compact 1.21\" compression height. Their flat-top design with a -1.5cc dish optimizes combustion chamber dynamics, supporting a range of compression ratios to suit various build goals.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt to deliver superior performance and durability, the DSS Racing FX Series pistons include the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for enhanced strength and resistance to high-stress conditions\u003c\/li\u003e\n\u003cli\u003e4.085\" bore size compatible with most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003eCompact 1.21\" compression height for optimal piston-to-cylinder fitment\u003c\/li\u003e\n\u003cli\u003e1.5cc flat-top piston design to improve combustion efficiency\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter, available in full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for reliable ring sealing and durability\u003c\/li\u003e\n\u003cli\u003eDesigned for a 3.578\" stroke and 6.243\" connecting rod length, matching factory specifications\u003c\/li\u003e\n\u003cli\u003eSupports approximate compression ratios ranging from 9.04:1 to 11.17:1 depending on combustion chamber volume\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are forged from high-quality aluminum alloy, providing an excellent balance of lightweight construction and robust strength. The forging process enhances grain structure and mechanical properties, allowing the pistons to withstand the intense pressures and temperatures found in high-performance Hemi engines. The flat-top design with a slight dish (-1.5cc) is engineered to optimize combustion chamber shape and promote efficient fuel burn.\u003c\/p\u003e\u003cp\u003eThe pistons feature precision-machined ring grooves and wrist pin bores to ensure tight tolerances and reliable operation. The option for full-floating or press-fit wrist pins allows builders to tailor the assembly to their specific performance needs and engine setup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct fit for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines utilizing the Gen III small block Mopar Hemi platform. Installation requires standard engine assembly procedures, and the pistons are compatible with factory connecting rods and crankshaft stroke dimensions. No major modifications are typically necessary, making these pistons an ideal upgrade for rebuilds or performance builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as required for engine configuration)\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit depending on selected option)\u003c\/li\u003e\n\u003cli\u003eRing groove machining for standard piston rings\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is perfect for automotive enthusiasts, engine builders, and racers seeking a durable, high-performance piston upgrade for their 6.1L SRT8 Hemi engines. Whether upgrading for increased power, improved reliability, or engine rebuilds, these pistons provide a solid foundation for enhanced engine performance in street, strip, or track applications.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381014282452,"sku":"1-6840-4085D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381014315220,"sku":"2-6840-4085D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381014347988,"sku":"3-6840-4085D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014380756,"sku":"K1-6840-4085D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014413524,"sku":"K2-6840-4085D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014446292,"sku":"K3-6840-4085D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002073_4_a8e8fb01-ba17-45f1-b715-cc6e6060cb74.webp?v=1771667005"},{"product_id":"6840-4075-6-1-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-075-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing Gen III Hemi FX Series Forged Piston Set 4.075\" Bore: Fits most Hemi Models","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4075D \/ 2-6840-4075D \/ 3-6840-4075D \/ K1-6840-4075D \/ K2-6840-4075D \/ K3-6840-4075D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Gen III Hemi FX Series Forged Piston Set is engineered specifically for the 6.1L SRT8 engines found in Chrysler, Dodge, Jeep, and Ram vehicles. Designed to deliver superior strength and durability, these pistons are ideal for enthusiasts and professional builders seeking to enhance engine reliability and performance under demanding conditions. Whether you are rebuilding or upgrading your small block Mopar Hemi, this piston set offers a precise fit and optimized combustion characteristics to support high-performance applications.\u003c\/p\u003e\u003cp\u003eWith a 4.075\" bore size and a compact 1.21\" compression height, these forged pistons provide a perfect balance of lightweight design and robust construction. They are crafted to withstand the rigors of high RPM and boost, making them a trusted choice for street performance, track, and racing builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese DSS Racing pistons incorporate advanced design elements and manufacturing techniques to ensure top-tier performance and longevity:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 6.1L SRT8 Gen III Hemi engines from Chrysler, Dodge, Jeep, and Ram\u003c\/li\u003e\n\u003cli\u003e4.075\" bore diameter for precise cylinder fitment\u003c\/li\u003e\n\u003cli\u003eForged construction for enhanced strength and durability\u003c\/li\u003e\n\u003cli\u003e1.5cc flat top piston design to optimize combustion chamber volume\u003c\/li\u003e\n\u003cli\u003eCompact 1.21\" compression height for improved piston-to-cylinder clearance\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003eDesigned for a 3.578\" stroke and 6.243\" connecting rod length\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes to tailor compression ratios (65cc, 74cc, 85cc)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing utilizes high-grade forged aluminum alloy to manufacture these pistons, ensuring exceptional strength-to-weight ratio and thermal conductivity. The forging process refines the grain structure of the metal, resulting in pistons that resist cracking, scuffing, and deformation under extreme heat and pressure. The flat top design with a slight dish volume allows for precise control over compression ratios, accommodating various tuning and fuel requirements.\u003c\/p\u003e\u003cp\u003eThe pistons feature carefully engineered ring grooves that maintain optimal ring seal and reduce friction, contributing to improved engine efficiency and longevity. The wrist pin options—either full-floating or press-fit—offer flexibility depending on the builder’s preference and application demands.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct fit for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines equipped with a 4.075\" bore. Installation requires standard engine rebuilding procedures, including proper honing and cleaning of the cylinder bores. The pistons accommodate a 3.578\" stroke crankshaft and 6.243\" connecting rods, matching factory or aftermarket components for seamless integration.\u003c\/p\u003e\u003cp\u003eBuilders should verify wrist pin fitment and ring end gaps according to their specific engine build and tuning goals. No major modifications are typically necessary, making these pistons a straightforward upgrade or replacement option for performance and durability enhancements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of four DSS Racing Gen III Hemi FX Series forged pistons\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit options depending on SKU)\u003c\/li\u003e\n\u003cli\u003eCompression and oil rings installed or supplied separately as per configuration\u003c\/li\u003e\n\u003cli\u003eTechnical specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for automotive enthusiasts, professional engine builders, and racers who demand reliable, high-strength components for their 6.1L SRT8 Mopar Hemi engines. It suits applications ranging from street performance upgrades to competitive motorsports where durability and precise engine tuning are critical. Whether rebuilding a worn engine or upgrading for forced induction and higher power outputs, these DSS Racing pistons provide a solid foundation for enhanced engine performance.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381014479060,"sku":"1-6840-4075D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381014511828,"sku":"2-6840-4075D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381014544596,"sku":"3-6840-4075D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014577364,"sku":"K1-6840-4075D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014610132,"sku":"K2-6840-4075D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381014642900,"sku":"K3-6840-4075D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002072_4_cc7dd6d0-acdd-438a-bc02-adb90642357a.webp?v=1771667004"},{"product_id":"6840-4075-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-075-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Flat Top Piston Set 4.075\" Bore: Fits Dodge \/ Chrysler \/ Jeep (03-23)","description":"\u003ch3\u003eDSS Racing FX Series Forged Flat Top Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4075 \/ 2-6840-4075 \/ 3-6840-4075 \/ K1-6840-4075 \/ K2-6840-4075 \/ K3-6840-4075\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Flat Top Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, including the 373 Small Block Mopar Hemi Gen III. Designed for enthusiasts and professional builders seeking enhanced durability and performance, these pistons offer a reliable upgrade over stock components. Their flat top design and precise specifications help optimize combustion efficiency and power output while maintaining engine reliability under demanding conditions.\u003c\/p\u003e\u003cp\u003eIdeal for high-performance street and track applications, this piston set supports increased compression ratios and improved engine response, making it a perfect choice for those looking to maximize the potential of their 6.1L SRT8 powerplants.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons incorporate advanced engineering and quality materials to deliver superior performance and longevity. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003e4.075\" bore size tailored for 373 Small Block Mopar Hemi Gen III\u003c\/li\u003e\n\u003cli\u003eFlat top piston design with -1.5cc volume for optimized combustion\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for precise deck clearance\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter, available in full-floating or press-fit options\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.578\" with 6.243\" connecting rods\u003c\/li\u003e\n\u003cli\u003eApproximate compression ratios ranging from 9.0 to 11.11 depending on combustion chamber volume\u003c\/li\u003e\n\u003cli\u003eForged construction for enhanced strength and durability under high stress\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are crafted from high-quality forged aluminum alloy, providing an excellent balance of strength, weight, and thermal conductivity. The flat top design reduces quench area and promotes efficient combustion, which can improve power delivery and throttle response. The pistons are engineered with precise tolerances to ensure optimal fitment and performance in the 6.1L SRT8 engine platform.\u003c\/p\u003e\u003cp\u003eThe wrist pins are available in both full-floating and press-fit configurations, allowing builders to select the best option for their application and durability requirements. The ring grooves are machined to exact specifications to accommodate standard ring sizes, ensuring proper sealing and oil control.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models equipped with a 4.075\" bore. Installation requires standard engine assembly procedures and may involve measuring and verifying clearances to ensure proper piston-to-cylinder wall fitment. No major modifications are typically necessary when replacing stock pistons with this set, making it a straightforward upgrade for engine rebuilds or performance builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged flat top pistons (quantity as required for engine)\u003c\/li\u003e\n\u003cli\u003eWrist pins (.927\" diameter), full-floating or press-fit options\u003c\/li\u003e\n\u003cli\u003eRing grooves pre-machined for 1.2\/1.2\/3mm piston rings (rings not included)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePerformance enthusiasts upgrading their 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003eEngine builders seeking durable forged pistons for street or track use\u003c\/li\u003e\n\u003cli\u003eRebuild projects requiring reliable, high-quality piston components\u003c\/li\u003e\n\u003cli\u003eApplications demanding improved compression and combustion efficiency\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381015527636,"sku":"1-6840-4075","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381015560404,"sku":"2-6840-4075","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381015593172,"sku":"3-6840-4075","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381015625940,"sku":"K1-6840-4075","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381015658708,"sku":"K2-6840-4075","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381015691476,"sku":"K3-6840-4075","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002069_4_1d55fb3b-b7c7-4cab-81cf-a0976d3d1b20.webp?v=1771667003"},{"product_id":"6840-4085-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-085-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Flat Top Piston Set: Fits Chrysler \/ Dodge \/ Jeep (6.1L Gen III Hemi)","description":"\u003ch3\u003eDSS Racing FX Series Forged Flat Top Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4085 \/ 2-6840-4085 \/ 3-6840-4085 \/ K1-6840-4085 \/ K2-6840-4085 \/ K3-6840-4085\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Flat Top Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models equipped with the Gen III Hemi engine. Designed to deliver superior strength and reliability, these pistons are ideal for enthusiasts and professional builders seeking to enhance engine durability and performance. Whether you are upgrading your 6.1L Hemi for street, strip, or track use, this piston set offers a precision fit and optimized combustion characteristics to maximize power output and efficiency.\u003c\/p\u003e\u003cp\u003eCrafted to exacting standards, the FX Series pistons feature a flat top design with a -1.5cc dish volume, providing a versatile compression ratio suitable for a variety of performance builds. Their compatibility with the 375 Small Block Mopar Hemi Gen III ensures seamless integration with existing engine components, making them a trusted choice for high-performance applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced design elements and materials to meet the demands of high-performance 6.1L Hemi engines:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision forged construction for enhanced strength and durability\u003c\/li\u003e\n\u003cli\u003eFlat top piston design with -1.5cc dish for optimized combustion\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches for proper deck clearance\u003c\/li\u003e\n\u003cli\u003e.927-inch wrist pin diameter with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eCompatible with a 3.578-inch stroke and 6.243-inch connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios: 65cc (11.17:1), 74cc (10.08:1), and 85cc (9.04:1)\u003c\/li\u003e\n\u003cli\u003eDesigned for use in 375 Small Block Mopar Gen III Hemi engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons are forged from high-grade aluminum alloy, delivering an excellent balance of lightweight performance and structural integrity. The forging process refines the grain structure of the metal, resulting in pistons that resist cracking and deformation under extreme combustion pressures and temperatures. The flat top design promotes efficient combustion chamber dynamics, contributing to improved throttle response and power delivery.\u003c\/p\u003e\u003cp\u003eEach piston is machined to tight tolerances to ensure consistent fitment and performance. The wrist pin bore is engineered to accept either full-floating or press-fit pins, allowing builders to tailor the assembly to their specific application. The ring grooves are precision cut to accommodate performance ring sets, ensuring optimal sealing and reduced blow-by.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 Gen III Hemi engines. Installation requires standard engine assembly procedures, and no major modifications are typically necessary when paired with compatible rods and crankshafts. Builders should verify piston-to-deck clearance and ring end gaps during assembly to ensure optimal performance and reliability.\u003c\/p\u003e\u003cp\u003eWhether you are performing a fresh build or upgrading an existing engine, the DSS Racing FX Series pistons provide a reliable foundation for high-performance applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged flat top pistons (quantity as required for engine)\u003c\/li\u003e\n\u003cli\u003eWrist pin options (full-floating or press-fit depending on SKU)\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for compression ratio and piston dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers who demand durable, high-quality components for their 6.1L Gen III Hemi engines. It suits street performance upgrades, drag racing, road racing, and other motorsport applications where strength and precision are critical. The multiple compression ratio options allow customization to match fuel types and tuning preferences.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381015331028,"sku":"1-6840-4085","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381015363796,"sku":"2-6840-4085","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381015396564,"sku":"3-6840-4085","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381015429332,"sku":"K1-6840-4085","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381015462100,"sku":"K2-6840-4085","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381015494868,"sku":"K3-6840-4085","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002068_4_fba3cfb0-97c4-431a-881b-e0dd00f14195.webp?v=1771667003"},{"product_id":"6840-4065-6-1-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-065-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing Gen III Hemi FX Series Forged Piston Set 4.065\" Bore: Fits most Hemi Models","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Chrysler, Dodge, Jeep, Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4065D \/ 2-6840-4065D \/ 3-6840-4065D \/ K1-6840-4065D \/ K2-6840-4065D \/ K3-6840-4065D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Gen III Hemi FX Series Forged Piston Set is engineered specifically for the 6.1L SRT8 engines found in Chrysler, Dodge, Jeep, and Ram vehicles. Designed to meet the demands of high-performance applications, these pistons offer exceptional strength and durability while maintaining optimal weight for improved engine response. Whether you're rebuilding or upgrading your small block Mopar Hemi, this piston set delivers reliable performance and precision fitment.\u003c\/p\u003e\u003cp\u003eIdeal for enthusiasts and professional builders alike, these pistons provide a solid foundation for increased power output and engine longevity. Their forged construction ensures they can withstand the rigors of boosted or naturally aspirated setups without compromising reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt with advanced engineering and precision manufacturing, the DSS Racing FX Series pistons include the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 4.065\" bore size for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003eForged construction for superior strength and durability under high stress\u003c\/li\u003e\n\u003cli\u003eFlat top design with -1.5cc volume for optimized combustion chamber dynamics\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for precise piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eDesigned for a 3.578\" stroke and 6.243\" connecting rod length, matching factory specifications\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios: 65cc (11.06:1), 74cc (9.99:1), and 85cc (8.95:1)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston in the DSS Racing FX Series is forged from high-grade aluminum alloy, providing an excellent balance of strength and lightweight properties. The forging process enhances the grain structure of the metal, resulting in pistons that resist cracking, scuffing, and thermal fatigue even under extreme operating conditions.\u003c\/p\u003e\u003cp\u003eThe flat top design with a slight dish volume (-1.5cc) optimizes combustion efficiency and helps control detonation in high-compression setups. Precision machining ensures tight tolerances for piston-to-cylinder wall clearance and ring groove dimensions, promoting consistent sealing and reduced blow-by.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct fit for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines equipped with a 4.065\" bore. Installation requires standard engine rebuild procedures, including proper honing and cleaning of the cylinder bores. The wrist pins can be installed as either full-floating or press-fit, depending on your build preference and hardware availability.\u003c\/p\u003e\u003cp\u003eDue to the precise engineering and OEM-compatible dimensions, no additional modifications are typically necessary, making these pistons an excellent choice for both performance upgrades and reliable rebuilds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons sized for 4.065\" bore\u003c\/li\u003e\n\u003cli\u003eWrist pins (.927\" diameter) compatible with full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for compression ratios and piston dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers seeking a durable and reliable upgrade for their 6.1L SRT8 Hemi engines. Whether you are building a naturally aspirated street machine or a boosted race engine, these pistons provide the strength and precision needed to handle increased power levels while maintaining engine longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381016117460,"sku":"1-6840-4065D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381016150228,"sku":"2-6840-4065D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381016182996,"sku":"3-6840-4065D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381016215764,"sku":"K1-6840-4065D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381016248532,"sku":"K2-6840-4065D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381016281300,"sku":"K3-6840-4065D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002067_4_1cf1bdb9-3cb4-44fb-acde-3319f7bf5685.webp?v=1771667002"},{"product_id":"6840-4065-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-065-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing Gen III FX Forged Flat Top Piston Set: Fits Chrysler \/ Dodge \/ Jeep 6.1L SRT8 (05-10)","description":"\u003ch3\u003eDSS Racing Gen III FX Series Forged Flat Top Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4065 \/ 2-6840-4065 \/ 3-6840-4065 \/ K1-6840-4065 \/ K2-6840-4065 \/ K3-6840-4065\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Gen III FX Series Forged Flat Top Piston Set is engineered specifically for the 6.1L SRT8 engines found in many Chrysler, Dodge, Jeep, and Ram vehicles. Designed to handle the demands of high-performance applications, these pistons offer a perfect balance of strength, durability, and precision fitment. Whether you are rebuilding your engine or upgrading for enhanced reliability and power, this piston set delivers consistent performance and longevity under extreme conditions.\u003c\/p\u003e\u003cp\u003eIdeal for enthusiasts and professional builders alike, these pistons support high compression ratios and are compatible with various combustion chamber sizes, making them versatile for different tuning setups. The flat top design optimizes combustion efficiency and helps maintain a stable compression ratio, contributing to improved throttle response and power delivery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt to exacting standards, the DSS Racing Gen III FX Series pistons incorporate advanced design elements and materials to ensure superior performance:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 371 Small Block Mopar Hemi Gen III engines\u003c\/li\u003e\n\u003cli\u003eFlat top piston design with -1.5cc volume for optimized combustion\u003c\/li\u003e\n\u003cli\u003eCompression height of 1.21 inches for precise deck clearance\u003c\/li\u003e\n\u003cli\u003e.927 inch wrist pin diameter, available in full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003eDesigned for a 3.578 inch stroke and 6.243 inch connecting rod length\u003c\/li\u003e\n\u003cli\u003eSupports approximate compression ratios ranging from 8.95:1 to 11.06:1 depending on combustion chamber size (65cc, 74cc, 85cc)\u003c\/li\u003e\n\u003cli\u003eForged construction for enhanced strength and durability under high stress\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are crafted from high-grade forged aluminum alloy, providing an excellent strength-to-weight ratio that withstands the rigors of high-performance and forced induction applications. The forging process refines the grain structure of the metal, resulting in superior toughness and resistance to cracking or deformation under extreme heat and pressure.\u003c\/p\u003e\u003cp\u003eThe flat top design reduces the risk of detonation while maintaining efficient combustion chamber dynamics. Precision machining ensures tight tolerances for optimal piston-to-cylinder wall clearance, reducing friction and wear. The option for full-floating or press-fit wrist pins allows customization based on engine build preferences and durability requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Gen III FX Series pistons are designed as direct replacements for the 6.1L SRT8 engines used in Chrysler, Dodge, Jeep, and Ram vehicles, ensuring straightforward installation with minimal modifications. Proper ring end gap and piston pin fitment should be verified during assembly to guarantee optimal performance and longevity.\u003c\/p\u003e\u003cp\u003eThese pistons are compatible with standard 3.578 inch stroke crankshafts and 6.243 inch connecting rods, matching factory dimensions for seamless integration. Whether performing a rebuild or an upgrade, these pistons provide a reliable foundation for high-performance engine builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged flat top pistons (quantity as required for engine)\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit options depending on SKU)\u003c\/li\u003e\n\u003cli\u003ePiston rings with specified groove dimensions\u003c\/li\u003e\n\u003cli\u003eInstallation instructions and technical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is perfect for performance enthusiasts, engine builders, and racers seeking durable, high-quality pistons for their 6.1L SRT8 Mopar engines. It suits naturally aspirated and forced induction builds aiming for improved power, reliability, and efficiency. Whether upgrading a street car or building a track-ready machine, these pistons deliver dependable performance under demanding conditions.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381015920852,"sku":"1-6840-4065","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381015953620,"sku":"2-6840-4065","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381015986388,"sku":"3-6840-4065","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381016019156,"sku":"K1-6840-4065","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381016051924,"sku":"K2-6840-4065","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381016084692,"sku":"K3-6840-4065","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002065_4_d1475331-0075-499f-8eeb-db1ba43ee3b4.webp?v=1771667001"},{"product_id":"6840-4055-6-1-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-055-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set 4.055\" Bore: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4055D \/ 2-6840-4055D \/ 3-6840-4055D \/ K1-6840-4055D \/ K2-6840-4055D \/ K3-6840-4055D\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Gen III Hemi FX Series Forged Piston Set is engineered specifically for the 6.1L SRT8 engines found in Chrysler, Dodge, Jeep, and Ram vehicles. Designed to replace factory pistons, this set offers enhanced strength and durability for high-performance applications. Whether you are rebuilding your engine or upgrading for increased power and reliability, these pistons provide a solid foundation for improved combustion efficiency and engine longevity.\u003c\/p\u003e\u003cp\u003eIdeal for enthusiasts and professional builders alike, these pistons are crafted to withstand the rigors of aggressive driving and forced induction setups. Their precise dimensions and compatibility with the Gen III Hemi architecture ensure a seamless fit and optimal performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt with advanced engineering and attention to detail, the DSS Racing FX Series pistons deliver a range of benefits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and resistance to high stress\u003c\/li\u003e\n\u003cli\u003eDesigned for a 4.055\" bore, fitting most Chrysler\/Dodge\/Jeep\/Ram 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" with a -1.5cc flat top design for efficient combustion\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter with options for full-floating or press-fit pins\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm for reliable sealing and reduced friction\u003c\/li\u003e\n\u003cli\u003eCompatible with a 3.578\" stroke and 6.243\" connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes to tailor compression ratios (65cc, 74cc, 85cc)\u003c\/li\u003e\n\u003cli\u003eOptimized for an approximate compression ratio range from 8.93:1 to 11.05:1 depending on chamber volume\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston in the DSS Racing FX Series is forged from high-grade aluminum alloy, delivering a perfect balance of lightweight design and exceptional durability. The forging process enhances grain structure, providing superior fatigue resistance and strength compared to cast pistons. The flat top design with a slight dish (-1.5cc) improves combustion efficiency and helps control detonation under high load conditions.\u003c\/p\u003e\u003cp\u003eThe pistons feature precision-machined ring grooves and wrist pin bores to ensure tight tolerances and reliable sealing. The option for full-floating or press-fit wrist pins allows customization based on engine build preferences. This attention to detail in design and manufacturing ensures consistent performance and longevity in demanding environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 Gen III Hemi engines with a 4.055\" bore. Installation requires standard engine rebuild procedures and proper ring end gap setting. No major modifications are typically necessary, but professional installation is recommended to ensure optimal fitment and performance. Compatibility with stock or aftermarket connecting rods and crankshafts is maintained, provided the specified stroke and rod length are used.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as per engine requirements)\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit options depending on SKU)\u003c\/li\u003e\n\u003cli\u003eRing grooves machined and ready for piston rings (rings not included)\u003c\/li\u003e\n\u003cli\u003eDetailed specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is perfect for performance enthusiasts, engine builders, and racers looking to upgrade or rebuild their 6.1L SRT8 engines with components that offer enhanced strength and reliability. It suits naturally aspirated builds as well as forced induction applications where durability and precise combustion chamber control are critical. Whether upgrading for street performance, track use, or off-road applications, these pistons provide a dependable foundation for increased power and engine longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381016707284,"sku":"1-6840-4055D","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381016740052,"sku":"2-6840-4055D","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381016772820,"sku":"3-6840-4055D","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381016805588,"sku":"K1-6840-4055D","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381016838356,"sku":"K2-6840-4055D","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381016871124,"sku":"K3-6840-4055D","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002064_4_42d5167a-37a5-4cbe-8dc2-15eff525eca8.webp?v=1771667001"},{"product_id":"6840-4055-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-055-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing Gen III Hemi FX Series Forged Piston Set 4.055\" Bore: Fits most 6.1L SRT8","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6840-4055 \/ 2-6840-4055 \/ 3-6840-4055 \/ K1-6840-4055 \/ K2-6840-4055 \/ K3-6840-4055\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Gen III Hemi FX Series Forged Piston Set is engineered specifically for the 6.1L SRT8 engines found in Chrysler, Dodge, Jeep, and Ram vehicles. Designed to deliver superior strength and durability, these pistons are ideal for enthusiasts and professional builders seeking to enhance engine reliability and performance under demanding conditions. Whether you're rebuilding your small block Mopar Hemi or upgrading for higher boost and power levels, this piston set offers a precise fit and excellent combustion efficiency.\u003c\/p\u003e\u003cp\u003eWith a 4.055\" bore size and a compact flat-top design, these pistons optimize compression ratios while maintaining compatibility with stock and aftermarket components. The set is tailored to fit the 370 Small Block Mopar Hemi Gen III platform, ensuring seamless integration and dependable operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced engineering and materials to meet the rigorous demands of high-performance applications:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 6.1L SRT8 engines from Chrysler, Dodge, Jeep, and Ram\u003c\/li\u003e\n\u003cli\u003e4.055\" bore size tailored for most Gen III Hemi builds\u003c\/li\u003e\n\u003cli\u003eFlat-top piston design with -1.5cc volume for optimized combustion\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for precise deck clearance and compression control\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter with options for full-floating or press-fit pins\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.578\" stroke and 6.243\" connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratio configurations: 65cc (11.05:1), 74cc (9.98:1), and 85cc (8.93:1)\u003c\/li\u003e\n\u003cli\u003ePrecision forged for enhanced strength and fatigue resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing pistons are crafted from high-quality forged aluminum alloy, providing an excellent balance of lightweight construction and exceptional durability. The forging process refines the grain structure of the metal, resulting in pistons that withstand high cylinder pressures and elevated temperatures typical of performance engines.\u003c\/p\u003e\u003cp\u003eThe flat-top design with a slight volume reduction (-1.5cc) enhances combustion efficiency and helps achieve the desired compression ratios without requiring extensive cylinder head modifications. The pistons feature carefully engineered ring grooves to accommodate high-performance piston rings, ensuring optimal sealing and oil control.\u003c\/p\u003e\u003cp\u003ePin options include full-floating or press-fit configurations, allowing builders to select the best setup for their specific application and performance goals. The precise comp height and bore sizing guarantee a reliable fit within the Gen III Hemi block architecture.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed to fit most Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 6.1L SRT8 Gen III Hemi engine. Installation requires standard engine rebuilding procedures, including proper honing of the cylinder bores to 4.055\" and careful measurement of deck clearance and ring end gaps.\u003c\/p\u003e\u003cp\u003eBuilders should verify rod length compatibility (6.243\") and stroke (3.578\") to ensure optimal piston-to-valve clearance and compression ratio. The pistons accommodate both full-floating and press-fit wrist pins, providing flexibility during assembly. No major modifications to the block or heads are typically necessary when using these pistons within their intended applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as required for engine configuration)\u003c\/li\u003e\n\u003cli\u003eWrist pins (.927\" diameter), full-floating or press-fit options\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves for 1.2\/1.2\/3mm piston rings (rings not included)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding 6.1L SRT8 Gen III Hemi engines. It suits applications ranging from street performance to moderate forced induction setups, where enhanced strength and reliable compression are critical. The pistons provide a solid foundation for increasing power output while maintaining engine longevity and efficiency.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381017231572,"sku":"1-6840-4055","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381017264340,"sku":"2-6840-4055","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381017297108,"sku":"3-6840-4055","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381017329876,"sku":"K1-6840-4055","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381017362644,"sku":"K2-6840-4055","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381017395412,"sku":"K3-6840-4055","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002062_4_2a882f6b-98bd-4ebc-84bd-2446dc387607.webp?v=1771667000"},{"product_id":"6827-4085-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-085-inch-bore-pin-dia-0-984-comp-height-1-21","title":"DSS Racing FX Series Forged +4cc Dome Top Piston Set: Fits Chrysler \/ Dodge \/ Jeep 6.1L SRT8","description":"\u003ch3\u003eDSS Racing FX Series Forged +4cc Dome Top Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6827-4085 \/ 2-6827-4085 \/ 3-6827-4085 \/ K1-6827-4085 \/ K2-6827-4085 \/ K3-6827-4085\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged +4cc Dome Top Piston Set is engineered specifically for the 6.1L SRT8 engines found in Chrysler, Dodge, Jeep, and Ram vehicles. Designed to enhance performance and durability, these pistons are an ideal upgrade for enthusiasts seeking improved combustion efficiency and reliability under high-stress conditions. Featuring a +4cc dome top design, they increase compression ratios, helping to unlock additional power potential while maintaining engine longevity.\u003c\/p\u003e\u003cp\u003eThese pistons are perfect for builders and tuners who demand precision and strength in their engine components. Whether you are rebuilding or upgrading your 6.1L SRT8, the DSS Racing FX Series pistons provide a solid foundation for high-performance applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCrafted with advanced engineering and attention to detail, the FX Series pistons offer several key benefits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and durability\u003c\/li\u003e\n\u003cli\u003e+4cc dome top design to increase compression ratio and power output\u003c\/li\u003e\n\u003cli\u003eCompatible with 4.085\" bore size, fitting most 6.1L SRT8 engines\u003c\/li\u003e\n\u003cli\u003ePin diameter of .984\" with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2\/1.2\/3mm for optimal sealing and reduced friction\u003c\/li\u003e\n\u003cli\u003eDesigned for a 3.578\" stroke and 6.243\" connecting rod length\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression volumes: 65cc (approx. 12.03:1), 74cc (approx. 10.77:1), and 85cc (approx. 9.57:1)\u003c\/li\u003e\n\u003cli\u003ePrecision machined to ensure consistent performance and fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons are forged from high-grade aluminum alloy, providing an excellent balance of lightweight design and exceptional strength. The forging process enhances the metal’s grain structure, resulting in pistons that resist cracking and deformation under extreme heat and pressure. The +4cc dome top shape is carefully engineered to optimize combustion chamber dynamics, improving power delivery and throttle response.\u003c\/p\u003e\u003cp\u003eEach piston features precisely cut ring grooves to accommodate standard 1.2mm top and second rings with a 3mm oil ring, ensuring effective sealing and oil control. The pin bore is designed for flexibility, allowing either full-floating or press-fit wrist pin installation depending on your build preferences. This versatility makes the FX Series pistons suitable for a wide range of performance setups.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines with a 4.085\" bore. Installation requires standard engine rebuilding procedures and may involve honing the cylinder bore to the correct size. The choice between full-floating or press-fit wrist pins allows customization based on your engine’s intended use and assembly preferences. Proper ring end gap and piston clearance measurements should be verified during installation to ensure optimal performance and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged +4cc dome top pistons (quantity as per kit selection)\u003c\/li\u003e\n\u003cli\u003eWrist pin options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves ready for standard piston rings\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding 6.1L SRT8 engines. It suits applications ranging from street performance to track use where increased compression and durability are required. The FX Series pistons provide a reliable foundation for enhancing power output while maintaining engine integrity under demanding conditions.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381019295956,"sku":"1-6827-4085","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381019328724,"sku":"2-6827-4085","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381019361492,"sku":"3-6827-4085","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381019394260,"sku":"K1-6827-4085","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381019427028,"sku":"K2-6827-4085","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381019459796,"sku":"K3-6827-4085","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002052_4_27fee187-ceef-432e-b108-51242277576b.webp?v=1771666996"},{"product_id":"6827-4075-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-075-inch-bore-pin-dia-0-984-comp-height-1-21","title":"DSS Racing +4cc Dome Top Forged Piston Set: Fits Chrysler \/ Dodge \/ Jeep (6.1L Gen III Hemi)","description":"\u003ch3\u003eDSS Racing Forged Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Gen III Mopar Hemi\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6827-4075 \/ 2-6827-4075 \/ 3-6827-4075 \/ K1-6827-4075 \/ K2-6827-4075 \/ K3-6827-4075\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing +4cc Dome Top Forged Piston Set is engineered specifically for the 6.1L Gen III Mopar Hemi engines found in Chrysler, Dodge, Jeep, and Ram SRT8 models. Designed to replace factory pistons, this set offers enhanced durability and performance for enthusiasts seeking to maximize their engine’s potential. The +4cc dome top design increases compression ratios, improving combustion efficiency and power output without compromising reliability.\u003c\/p\u003e\u003cp\u003eIdeal for high-performance street and track applications, these pistons provide a solid foundation for engine builds that demand strength and precision. Whether upgrading a stock engine or assembling a custom build, DSS Racing pistons deliver consistent quality and fitment tailored to the 6.1L Hemi platform.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced design elements to ensure optimal performance and longevity:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e+4cc dome top for increased compression and improved combustion\u003c\/li\u003e\n\u003cli\u003eCompatible with 373 Small Block Mopar Hemi Gen III engines\u003c\/li\u003e\n\u003cli\u003ePin diameter of .984\" with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches for precise piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.578 inches and connecting rod length of 6.243 inches\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios to suit different build requirements (approximate ratios: 65cc-12.74, 74cc-10.73, 85cc-9.54)\u003c\/li\u003e\n\u003cli\u003eManufactured by DSS Racing, known for high-quality forged components\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCrafted from premium forged aluminum alloy, these pistons are built to withstand the rigors of high-performance engines. The forging process enhances the metal’s grain structure, resulting in superior strength and resistance to thermal and mechanical stress compared to cast pistons. The dome top design not only increases compression but also optimizes combustion chamber shape for efficient flame propagation.\u003c\/p\u003e\u003cp\u003eEach piston features precision-machined ring grooves and pin bores to ensure tight tolerances and reliable sealing under extreme conditions. The option for full-floating or press-fit wrist pins allows customization based on engine build preferences and durability needs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned as a direct fit replacement for the 6.1L Gen III Mopar Hemi engines in Chrysler, Dodge, Jeep, and Ram SRT8 vehicles, these pistons require no major modifications for installation. Proper ring end gap and piston-to-wall clearance should be verified during assembly to ensure optimal performance and longevity. Professional installation is recommended to maintain engine integrity and achieve the best results.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged +4cc dome top pistons (quantity as required for engine)\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit options depending on SKU)\u003c\/li\u003e\n\u003cli\u003ePrecision-machined piston rings compatible with specified groove dimensions\u003c\/li\u003e\n\u003cli\u003eInstallation instructions and technical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for automotive enthusiasts, engine builders, and performance tuners working on 6.1L Gen III Mopar Hemi engines who seek to increase compression and durability. It suits street performance upgrades, track racing builds, and custom engine projects requiring reliable forged components engineered for high stress and power output.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381019492564,"sku":"1-6827-4075","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381019525332,"sku":"2-6827-4075","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381019558100,"sku":"3-6827-4075","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381019590868,"sku":"K1-6827-4075","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381019623636,"sku":"K2-6827-4075","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381019656404,"sku":"K3-6827-4075","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002051_4_819a0ce2-bfc4-40a7-9ceb-e9eec49ada61.webp?v=1771666996"},{"product_id":"6827-4065-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-065-inch-bore-pin-dia-0-984-comp-height-1-21","title":"DSS Racing Forged +4cc Dome Top Piston Set: Fits most 6.1L SRT8 Models","description":"\u003ch3\u003eDSS Racing Forged +4cc Dome Top Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6827-4065 \/ 2-6827-4065 \/ 3-6827-4065 \/ K1-6827-4065 \/ K2-6827-4065 \/ K3-6827-4065\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Forged +4cc Dome Top Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, delivering enhanced performance and durability. Designed to replace factory pistons, these forged pistons feature a +4cc dome top that increases compression ratios, improving combustion efficiency and power output. Ideal for enthusiasts and professional builders seeking reliable, high-strength components for naturally aspirated or mildly boosted applications.\u003c\/p\u003e\u003cp\u003eWith a bore size of 4.065\" and a pin diameter of 0.984\", these pistons maintain precise fitment and compatibility with the 371 Small Block Mopar Hemi Gen III platform. The 1.21\" compression height ensures proper deck clearance and optimal piston-to-head geometry for improved engine response and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons incorporate advanced design elements and manufacturing techniques to meet the demands of high-performance engines:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged aluminum construction for superior strength and heat resistance\u003c\/li\u003e\n\u003cli\u003e+4cc dome top design to increase compression ratio and combustion efficiency\u003c\/li\u003e\n\u003cli\u003eCompatible with full-floating or press-fit wrist pins (0.984\" diameter)\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for optimal sealing\u003c\/li\u003e\n\u003cli\u003eDesigned for a 3.578\" stroke and 6.243\" connecting rod length setup\u003c\/li\u003e\n\u003cli\u003eApproximate compression ratios vary by combustion chamber size: 65cc (11.94:1), 74cc (10.68:1), 85cc (9.49:1)\u003c\/li\u003e\n\u003cli\u003ePrecision machining ensures consistent piston-to-cylinder wall clearance and balanced performance\u003c\/li\u003e\n\u003cli\u003eCompatible with most Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 engines for direct fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing pistons are crafted from high-grade forged aluminum alloy, providing an excellent strength-to-weight ratio that withstands the rigors of high-performance and racing environments. The forging process enhances grain structure and fatigue resistance, reducing the risk of piston failure under extreme conditions.\u003c\/p\u003e\u003cp\u003eThe dome top design not only increases compression but also promotes efficient flame propagation within the combustion chamber. Each piston is CNC-machined to tight tolerances, ensuring precise ring groove dimensions and pin bore alignment. This meticulous engineering supports reliable sealing, reduced friction, and improved engine efficiency.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed for direct replacement in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, including the 371 Small Block Mopar Hemi Gen III and FX platforms. Installation requires standard engine assembly procedures, with attention to proper ring end gap and wrist pin fitment, whether using full-floating or press-fit pins.\u003c\/p\u003e\u003cp\u003eDue to the +4cc dome volume, piston-to-head clearance and compression ratio changes should be verified during assembly to ensure compatibility with the intended combustion chamber size and fuel requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged +4cc dome top pistons (quantity as per kit)\u003c\/li\u003e\n\u003cli\u003eCompatible wrist pins (full-floating or press-fit depending on selection)\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves ready for standard piston rings (rings not included)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding 6.1L SRT8 engines who seek increased compression and durability. It suits naturally aspirated builds aiming for higher power output as well as mild forced induction setups requiring stronger pistons to handle increased cylinder pressures.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381019885780,"sku":"1-6827-4065","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381019918548,"sku":"2-6827-4065","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381019951316,"sku":"3-6827-4065","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381019984084,"sku":"K1-6827-4065","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381020016852,"sku":"K2-6827-4065","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381020049620,"sku":"K3-6827-4065","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002050_4_15176574-aec5-421a-8edd-1dc6ccf6a3d0.webp?v=1771666995"},{"product_id":"6827-4055-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-055-inch-bore-pin-dia-0-984-comp-height-1-21","title":"DSS Racing Forged +4cc Dome Top Piston Set 4.055\" Bore: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8","description":"\u003ch3\u003eDSS Racing Forged +4cc Dome Top Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6827-4055 \/ 2-6827-4055 \/ 3-6827-4055 \/ K1-6827-4055 \/ K2-6827-4055 \/ K3-6827-4055\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Forged +4cc Dome Top Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. Designed to enhance performance and durability, these pistons are ideal for enthusiasts and professional builders seeking to increase compression and optimize combustion efficiency. With a 4.055\" bore size and a +4cc dome top design, these pistons provide a precise fit and improved power potential for the 370 Small Block Mopar Hemi Gen III platform.\u003c\/p\u003e\u003cp\u003eWhether you are rebuilding your engine or upgrading for higher horsepower applications, this piston set offers a reliable solution that balances strength and performance for street or track use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced design elements to meet the demands of high-performance Mopar engines:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e+4cc dome top for increased compression and improved combustion\u003c\/li\u003e\n\u003cli\u003e4.055\" bore diameter, compatible with most 6.1L SRT8 engine blocks\u003c\/li\u003e\n\u003cli\u003ePin diameter of .984\" with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for optimal ring sealing\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches, designed for precise piston-to-valve clearance\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.578\" stroke crankshafts and 6.243\" connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volume options: 65cc, 74cc, and 85cc\u003c\/li\u003e\n\u003cli\u003eApproximate compression ratios ranging from 9.47:1 to 11.91:1 depending on chamber volume\u003c\/li\u003e\n\u003cli\u003eManufactured by DSS Racing, a trusted name in high-performance forged components\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCrafted from high-grade forged aluminum alloy, these pistons are built to withstand the extreme pressures and temperatures found in high-performance Hemi engines. The forging process enhances the material’s strength and fatigue resistance, ensuring long-lasting durability under demanding conditions. The dome top design increases the compression ratio, improving power output and throttle response.\u003c\/p\u003e\u003cp\u003ePrecision machining ensures tight tolerances for optimal ring sealing and piston-to-cylinder wall fitment. The pistons are compatible with both full-floating and press-fit wrist pins, allowing flexibility depending on your engine build preferences. The ring grooves are designed to accommodate standard 1.2mm top and second rings with a 3mm oil ring, balancing oil control and durability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines equipped with a 4.055\" bore. Installation requires standard engine rebuilding procedures, including proper honing and cleaning of the cylinder bores. Depending on your build, you may choose either full-floating or press-fit wrist pins, which are included in the options. No major modifications are typically necessary, but professional installation is recommended to ensure optimal performance and reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFour forged +4cc dome top pistons with 4.055\" bore diameter\u003c\/li\u003e\n\u003cli\u003eWrist pins (.984\") with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eRing grooves machined for 1.2\/1.2\/3mm piston rings (rings not included)\u003c\/li\u003e\n\u003cli\u003eDetailed specifications and fitment information\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is perfect for Mopar enthusiasts rebuilding or upgrading their 6.1L SRT8 engines who want to increase compression and improve power output. It suits street performance builds, weekend racers, and professional engine builders seeking reliable, high-quality forged pistons designed specifically for the Gen III Hemi platform.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381020082388,"sku":"1-6827-4055","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381020115156,"sku":"2-6827-4055","price":769.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381020147924,"sku":"3-6827-4055","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381020180692,"sku":"K1-6827-4055","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381020213460,"sku":"K2-6827-4055","price":967.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381020246228,"sku":"K3-6827-4055","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002049_4_6845eb38-bdd5-4e82-9895-96bc0bc6d5a8.webp?v=1771666995"},{"product_id":"6823-4085-6-1-small-block-mopar-hemi-gen-iii-fx-series-12cc-dish-top-gen-iii-hemi-forged-piston-set-4-085-inch-bore-pin-dia-0-984-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 (05-10)","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6823-4085 \/ 2-6823-4085 \/ 3-6823-4085 \/ K1-6823-4085 \/ K2-6823-4085 \/ K3-6823-4085\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered specifically for the 6.1L Gen III Hemi engines found in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models. Designed for enthusiasts and professional builders seeking enhanced durability and performance, these pistons offer a reliable upgrade over stock components. Whether you are rebuilding your engine or upgrading for increased power handling, this piston set delivers precision fitment and superior strength to withstand high-stress conditions.\u003c\/p\u003e\u003cp\u003eWith a focus on maintaining factory compatibility while improving reliability, the FX Series pistons provide an excellent balance of lightweight design and robust construction. They are ideal for street performance, track use, and forced induction applications where piston integrity is critical.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced design elements to optimize engine performance and longevity:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and durability compared to cast pistons\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches for precise deck clearance and compression control\u003c\/li\u003e\n\u003cli\u003e12cc dish top design to optimize combustion chamber volume and compression ratio\u003c\/li\u003e\n\u003cli\u003e.984-inch wrist pin diameter with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm top and second rings, and 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.578-inch stroke crankshafts and 6.243-inch connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes (65cc, 74cc, 85cc) to achieve compression ratios from 9.98:1 down to 8.28:1\u003c\/li\u003e\n\u003cli\u003ePrecision CNC machining ensures tight tolerances and consistent performance\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the 375 Small Block Mopar Hemi Gen III platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons are crafted from high-grade forged aluminum alloy, providing an optimal combination of light weight and high tensile strength. This construction improves engine response and reduces reciprocating mass, which contributes to enhanced durability under high RPM and boost conditions. The pistons feature a carefully engineered dish top to control compression and prevent detonation, making them suitable for a variety of tuning setups.\u003c\/p\u003e\u003cp\u003eEach piston is CNC-machined to exacting standards, ensuring consistent ring groove dimensions and pin bore alignment. The option for full-floating or press-fit wrist pins allows builders to tailor the assembly to their specific engine build preferences. The ring grooves are designed to accommodate high-performance piston rings, promoting excellent sealing and oil control.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct fit replacement for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 Gen III Hemi engines. Installation requires standard engine rebuild procedures and may involve balancing and blueprinting for optimal results. The pistons are compatible with factory connecting rods and crankshafts with a 3.578-inch stroke and 6.243-inch rod length. No major modifications are typically necessary, making these pistons a straightforward upgrade for performance builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons (quantity as required for engine configuration)\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit options depending on SKU)\u003c\/li\u003e\n\u003cli\u003eInstallation instructions and specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is ideal for performance enthusiasts, engine builders, and racers who demand enhanced strength and reliability from their 6.1L Gen III Hemi engines. Whether upgrading for forced induction, high compression naturally aspirated builds, or extended durability in street and track applications, these pistons provide a solid foundation for increased power and engine longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381020278996,"sku":"1-6823-4085","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381020311764,"sku":"2-6823-4085","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381020344532,"sku":"3-6823-4085","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381020377300,"sku":"K1-6823-4085","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381020410068,"sku":"K2-6823-4085","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381020442836,"sku":"K3-6823-4085","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002048_4_842fc003-21bd-4611-8cdb-3c57a499e0d7.webp?v=1771666994"},{"product_id":"6823-4075-6-1-small-block-mopar-hemi-gen-iii-fx-series-12cc-dish-top-gen-iii-hemi-forged-piston-set-4-075-inch-bore-pin-dia-0-984-comp-height-1-21","title":"DSS Racing FX Series Forged Pistons Set 4.075\" Bore: Fits most Hemi Models","description":"\u003ch3\u003eDSS Racing FX Series Forged Pistons\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Gen III Hemi Engines\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6823-4075 \/ 2-6823-4075 \/ 3-6823-4075 \/ K1-6823-4075 \/ K2-6823-4075 \/ K3-6823-4075\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons are precision-engineered components designed specifically for Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 6.1L SRT8 Gen III Hemi engines. These pistons are crafted to deliver superior strength and durability, making them ideal for enthusiasts and professional builders seeking to enhance engine reliability and performance under demanding conditions.\u003c\/p\u003e\u003cp\u003eFeaturing a 4.075\" bore size and a compact dish top design with a -12cc volume, these pistons optimize combustion efficiency and compression ratios. Whether you are upgrading a street machine or building a high-performance race engine, the FX Series pistons provide the robust foundation needed for sustained power and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEngineered with advanced materials and design, the DSS Racing FX Series Forged Pistons offer a range of features that improve engine performance and durability:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Gen III Hemi engines\u003c\/li\u003e\n\u003cli\u003e4.075\" bore size tailored for 373 Small Block Mopar Hemi Gen III applications\u003c\/li\u003e\n\u003cli\u003eCompact dish top with -12cc volume to optimize combustion chamber shape\u003c\/li\u003e\n\u003cli\u003ePin diameter of .984\" with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for reliable ring sealing\u003c\/li\u003e\n\u003cli\u003eStroke length of 3.578\" and connecting rod length of 6.243\" for precise engine geometry\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios approximately ranging from 8.24 to 9.93 depending on combustion chamber volume\u003c\/li\u003e\n\u003cli\u003eForged construction for enhanced strength and resistance to high-stress conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing FX Series pistons are forged from high-quality aluminum alloy, providing an excellent balance of lightweight design and structural integrity. The forging process enhances grain structure and strength, allowing these pistons to withstand the high pressures and temperatures typical of high-performance Hemi engines.\u003c\/p\u003e\u003cp\u003eThe pistons feature a carefully engineered dish top design with a -12cc volume that helps control compression and combustion characteristics. Precision machining ensures tight tolerances for optimal fitment and performance, while the choice between full-floating or press-fit wrist pins allows customization based on engine build preferences.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for the 6.1L SRT8 Gen III Hemi engines found in Chrysler, Dodge, Jeep, and Ram vehicles. Installation requires standard engine assembly procedures, with attention to proper ring end gap and wrist pin installation based on the selected pin configuration.\u003c\/p\u003e\u003cp\u003eDue to their exact bore and stroke specifications, these pistons fit seamlessly into compatible engine blocks without the need for extensive modifications, making them suitable for both rebuilds and performance upgrades.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of four DSS Racing FX Series forged pistons (4.075\" bore)\u003c\/li\u003e\n\u003cli\u003eWrist pins (.984\" diameter) with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003ePrecision-machined piston rings with 1.2\/1.2\/3mm groove dimensions\u003c\/li\u003e\n\u003cli\u003eTechnical specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are ideal for automotive enthusiasts, engine builders, and professional racers who demand reliable, high-strength components for their 6.1L SRT8 Gen III Hemi engines. Whether upgrading for increased power output, durability, or engine longevity, the DSS Racing FX Series pistons provide a solid foundation for performance builds and rebuilds alike.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381020475604,"sku":"1-6823-4075","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381020508372,"sku":"2-6823-4075","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381020541140,"sku":"3-6823-4075","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381020573908,"sku":"K1-6823-4075","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381020606676,"sku":"K2-6823-4075","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381020639444,"sku":"K3-6823-4075","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002047_4_426988a3-031f-40fd-949e-ccd7bd4c333e.webp?v=1771666994"},{"product_id":"6823-4065-6-1-small-block-mopar-hemi-gen-iii-fx-series-12cc-dish-top-gen-iii-hemi-forged-piston-set-4-065-inch-bore-pin-dia-0-984-comp-height-1-21","title":"DSS Racing Gen III FX Series Forged Piston Set 6.1L: Fits most Hemi Models","description":"\u003ch3\u003eDSS Racing Gen III Hemi FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Chrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6823-4065 \/ 2-6823-4065 \/ 3-6823-4065 \/ K1-6823-4065 \/ K2-6823-4065 \/ K3-6823-4065\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Gen III Hemi FX Series Forged Piston Set is engineered specifically for the 6.1L SRT8 engines found in various Chrysler, Dodge, Jeep, and Ram models. Designed to handle high-performance demands, these pistons provide exceptional strength and durability for enthusiasts seeking to upgrade their engine’s reliability and power potential. Whether you are building a street performance engine or a track-ready setup, these forged pistons offer the precision and quality needed to maximize your build.\u003c\/p\u003e\u003cp\u003eWith a focus on compatibility and performance, this piston set fits the 371 Small Block Mopar Hemi Gen III platform, ensuring a perfect match for your 6.1L SRT8 engine. The pistons feature a compact dish design and optimized compression ratios to support a wide range of tuning options.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese DSS Racing pistons incorporate advanced engineering and materials to deliver superior performance and longevity. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for enhanced strength and resistance to high stress\u003c\/li\u003e\n\u003cli\u003eFX Series design optimized for Gen III Hemi 6.1L engines\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches for precise piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003e12cc dish top design to control compression and support various combustion chamber sizes\u003c\/li\u003e\n\u003cli\u003ePin diameter of .984 inches, compatible with full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for reliable ring sealing and reduced friction\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.578 inches and rod length of 6.243 inches for balanced engine geometry\u003c\/li\u003e\n\u003cli\u003eAvailable compression ratios approximately 9.88:1 (65cc), 9.04:1 (74cc), and 8.2:1 (85cc) to suit different performance goals\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston in the DSS Racing Gen III Hemi FX Series set is precision forged from high-grade aluminum alloy, providing an optimal balance of lightweight strength and thermal conductivity. The forging process enhances grain structure, resulting in superior fatigue resistance and durability under extreme operating conditions. The pistons are CNC-machined to exact tolerances, ensuring consistent fitment and performance across all cylinders.\u003c\/p\u003e\u003cp\u003eThe dish top design reduces compression volume, allowing for fine-tuning of combustion characteristics to match your engine’s setup. The pin bore supports both full-floating and press-fit wrist pin configurations, offering flexibility depending on your build preferences. Additionally, the ring grooves are engineered to maintain ring stability while minimizing friction and wear.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct fit for most Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 6.1L SRT8 Gen III Hemi engine. Installation requires standard engine assembly procedures, and no major modifications are typically necessary when replacing factory pistons with this set. Proper ring end gap and clearance checks should be performed to ensure optimal performance and longevity.\u003c\/p\u003e\u003cp\u003eThese pistons are ideal for engine builders and enthusiasts upgrading or rebuilding their 6.1L Hemi engines who demand reliable, high-quality components that can withstand increased power levels and aggressive driving conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons for all cylinders in the 6.1L Gen III Hemi engine\u003c\/li\u003e\n\u003cli\u003eCompatible wrist pin bore for full-floating or press-fit pins\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves ready for piston rings (rings not included)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePerformance engine builds on Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 platforms\u003c\/li\u003e\n\u003cli\u003eStreet and track enthusiasts seeking durable forged pistons\u003c\/li\u003e\n\u003cli\u003eRebuilds requiring high-strength pistons to handle increased boost or power\u003c\/li\u003e\n\u003cli\u003eEngineers tuning compression ratios for specific fuel or power goals\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381020999892,"sku":"1-6823-4065","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381021032660,"sku":"2-6823-4065","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381021065428,"sku":"3-6823-4065","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381021098196,"sku":"K1-6823-4065","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381021130964,"sku":"K2-6823-4065","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381021163732,"sku":"K3-6823-4065","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002046_4_0075aa23-7774-4d4a-9642-4c3f7820e66a.webp?v=1771666994"},{"product_id":"6823-4055-6-1-small-block-mopar-hemi-gen-iii-fx-series-12cc-dish-top-gen-iii-hemi-forged-piston-set-4-055-inch-bore-pin-dia-0-984-comp-height-1-21","title":"DSS Racing FX Series Forged Pistons Set 6.1L Gen III Mopar Hemi: Chrysler \/ Dodge \/ Jeep (06-10)","description":"\u003ch3\u003eDSS Racing FX Series Forged Pistons\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6823-4055 \/ 2-6823-4055 \/ 3-6823-4055 \/ K1-6823-4055 \/ K2-6823-4055 \/ K3-6823-4055\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons are precision-engineered performance components designed specifically for the 6.1L Gen III Mopar Hemi engines found in most Chrysler, Dodge, Jeep, and Ram SRT8 models. Crafted to meet the demands of high-performance street and track applications, these pistons offer enhanced strength, durability, and reliability over stock cast pistons. Ideal for enthusiasts and professional builders seeking to maximize engine efficiency and power output, the FX Series pistons provide a solid foundation for engine builds requiring uncompromising quality and performance.\u003c\/p\u003e\u003cp\u003eWith a compact dish design and optimized compression ratios, these pistons help improve combustion efficiency while maintaining compatibility with factory components. Their design supports both full-floating and press-fit wrist pins, allowing flexibility depending on engine build preferences.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEngineered for high-performance Mopar 6.1L Hemi engines, the DSS Racing FX Series Forged Pistons deliver superior strength and precision. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged 370 Small Block Mopar Hemi Gen III construction for enhanced durability\u003c\/li\u003e\n\u003cli\u003eCompact FX series design with a 1.21\" compression height for optimal piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003e12cc dish top to control compression ratio and improve combustion\u003c\/li\u003e\n\u003cli\u003e.984\" pin diameter compatible with full-floating or press-fit wrist pins\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm for reliable ring sealing and reduced friction\u003c\/li\u003e\n\u003cli\u003eStroke compatibility at 3.578\" with 6.243\" connecting rods for precise fitment\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes (65cc, 74cc, 85cc) to achieve approximate compression ratios ranging from 8.18 to 9.86\u003c\/li\u003e\n\u003cli\u003eDesigned to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines without modification\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are forged from high-grade aluminum alloy, providing an excellent balance of strength and lightweight characteristics essential for high-revving performance engines. The forging process enhances grain structure and fatigue resistance, ensuring long-lasting durability under extreme operating conditions. The pistons feature a carefully engineered dish top design that lowers compression to prevent detonation while maintaining efficient combustion chamber dynamics.\u003c\/p\u003e\u003cp\u003eThe pin bore is engineered to accept either full-floating or press-fit wrist pins, offering versatility for custom engine builds. Precision machining ensures tight tolerances and consistent ring groove dimensions, promoting optimal ring seal and reducing oil consumption. The piston skirt and crown are designed to minimize friction and wear, contributing to smoother engine operation and improved longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons are direct replacements for factory pistons in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines. They are engineered to fit seamlessly with existing components, including stock rods and cylinder heads, minimizing the need for additional modifications. Installation should be performed by experienced engine builders or technicians familiar with Mopar Hemi engine assembly to ensure proper clearances and torque specifications are met.\u003c\/p\u003e\u003cp\u003eThese pistons support both full-floating and press-fit wrist pin configurations, allowing builders to tailor the assembly to their performance goals. Proper ring installation and piston orientation are critical to achieving optimal engine performance and durability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged DSS Racing FX Series pistons (quantity as per SKU selection)\u003c\/li\u003e\n\u003cli\u003ePrecision-machined piston rings installed in ring grooves\u003c\/li\u003e\n\u003cli\u003ePin bushings or sleeves (if applicable to the selected SKU)\u003c\/li\u003e\n\u003cli\u003eInstallation guidelines and technical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are ideal for Mopar enthusiasts and professional engine builders upgrading or rebuilding 6.1L Gen III Hemi engines in Chrysler, Dodge, Jeep, and Ram SRT8 vehicles. They suit applications ranging from high-performance street driving to competitive motorsports where enhanced durability and reliable power delivery are essential. Whether building a naturally aspirated or forced induction setup, the DSS Racing FX Series pistons provide a robust foundation for increased horsepower and torque.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381021196500,"sku":"1-6823-4055","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381021229268,"sku":"2-6823-4055","price":719.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins and Locs Without Rings","offer_id":47381021262036,"sku":"3-6823-4055","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381021294804,"sku":"K1-6823-4055","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381021327572,"sku":"K2-6823-4055","price":897.95,"currency_code":"USD","in_stock":true},{"title":"FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381021360340,"sku":"K3-6823-4055","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002045_4_2e7712c7-8da3-4f8a-bc16-eeae9cd37982.webp?v=1771666993"}],"url":"https:\/\/fasthemis.com\/collections\/dss-racing-pistons-for-dodge-magnum-hemi.oembed","provider":"FastHemis","version":"1.0","type":"link"}