{"product_id":"6820-4065-6-1-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-065-inch-bore-pin-dia-0-984-comp-height-1-21","title":"DSS Racing Gen III Hemi FX Series Forged Piston Set 4.065\" Bore: Chrysler \/ Dodge \/ 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\u003e1-6820-4065 \/ 2-6820-4065 \/ 3-6820-4065 \/ K1-6820-4065 \/ K2-6820-4065 \/ K3-6820-4065\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 Chrysler, Dodge, Jeep, and Ram vehicles. Designed to meet the demands of high-performance builds, these pistons deliver exceptional strength and durability while maintaining precise fitment and optimal combustion characteristics. Whether you are rebuilding your engine or upgrading for increased power and reliability, this piston set offers a reliable foundation for your performance goals.\u003c\/p\u003e\u003cp\u003eThese pistons are ideal for enthusiasts and professional builders seeking a high-quality forged piston solution that balances lightweight design with robust construction. The set is compatible with the 371 Small Block Mopar Hemi Gen III platform and is tailored to maintain factory-like compression ratios with options to suit various combustion chamber volumes.\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 features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 4.065\" bore size for most 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 piston design with a -1.5cc dish for optimized combustion\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for precise piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003e.984\" wrist pin diameter with options for full-floating or press-fit pins\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 compatibility of 3.578\" and connecting rod length of 6.243\" for balanced engine geometry\u003c\/li\u003e\n\u003cli\u003eAvailable compression ratio options approximately 11.06:1 (65cc), 9.99:1 (74cc), and 8.95:1 (85cc) to suit different build requirements\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 strength-to-weight ratio essential for high-performance applications. The forging process enhances the metal’s grain structure, resulting in pistons that resist cracking, scuffing, and thermal fatigue even under extreme operating conditions.\u003c\/p\u003e\u003cp\u003eEach piston is precision-machined to exact tolerances, ensuring consistent ring groove dimensions and piston skirt finish for reduced friction and improved wear resistance. The flat top design with a slight dish optimizes combustion efficiency and helps maintain factory compression ratios, making these pistons suitable for both naturally aspirated and forced induction setups.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned as a direct fit replacement for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, these pistons require minimal modifications during installation. The set supports both full-floating and press-fit wrist pin configurations, allowing flexibility depending on your engine build preferences.\u003c\/p\u003e\u003cp\u003eProper ring end gap and piston-to-wall clearance should be verified during installation to ensure optimal performance and longevity. These pistons are compatible with the 371 Small Block Mopar Hemi Gen III platform, making them a straightforward upgrade or rebuild component for enthusiasts and professional engine builders alike.\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 compatible with full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003ePrecision-machined piston rings with specified groove dimensions\u003c\/li\u003e\n\u003cli\u003eInstallation guidelines and specifications for compression ratios and clearances\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, professional engine builders, and racers who demand reliable, high-strength components for their 6.1L SRT8 engines. Whether you are performing a high-performance rebuild, upgrading for forced induction, or seeking improved durability for street or track use, the DSS Racing FX Series pistons provide a solid 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":47381021786324,"sku":"1-6820-4065","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381021819092,"sku":"2-6820-4065","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":47381021851860,"sku":"3-6820-4065","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":47381021884628,"sku":"K1-6820-4065","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":47381021917396,"sku":"K2-6820-4065","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":47381021950164,"sku":"K3-6820-4065","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002040_4_f47b10e2-0036-4e77-9060-91abc3d6a18e.webp?v=1771666991","url":"https:\/\/fasthemis.com\/products\/6820-4065-6-1-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-065-inch-bore-pin-dia-0-984-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}