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