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