{"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","url":"https:\/\/fasthemis.com\/products\/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","provider":"FastHemis","version":"1.0","type":"link"}