{"product_id":"6723-3947-5-7-small-block-mopar-hemi-gen-iii-fx-series-12cc-dish-top-gen-iii-hemi-forged-piston-set-3-947-inch-bore-pin-dia-0-945-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi (02-26)","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6723-3947 \/ 2-6723-3947 \/ 3-6723-3947 \/ K1-6723-3947 \/ K2-6723-3947 \/ K3-6723-3947\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 5.7L Small Block Mopar Gen III Hemi engines found in many 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.\u003c\/p\u003e\u003cp\u003eFeaturing a forged construction and precision machining, this piston set offers improved resistance to heat and stress compared to stock cast pistons. Whether you are building a high-performance street engine or a race-ready powerplant, the DSS Racing FX Series pistons provide the foundation for consistent power delivery and long-term engine health.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons incorporate advanced design elements to optimize performance and fitment for the 5.7L Hemi platform:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for maximum strength and durability\u003c\/li\u003e\n\u003cli\u003eComp Height: 1.21 inches for precise compression control\u003c\/li\u003e\n\u003cli\u003e12cc dish top design to optimize combustion chamber volume\u003c\/li\u003e\n\u003cli\u003ePin diameter of .945 inches, compatible with full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second grooves, 3mm oil ring groove\u003c\/li\u003e\n\u003cli\u003eStroke compatibility: 3.578 inches\u003c\/li\u003e\n\u003cli\u003eConnecting rod length: 6.243 inches\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios approximately 9.43:1 (65cc), 8.62:1 (74cc), and 7.83:1 (85cc)\u003c\/li\u003e\n\u003cli\u003ePrecision engineered to fit most Chrysler, Dodge, Jeep, and Ram 5.7L 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 crafted from high-grade forged aluminum alloy, providing an excellent balance of lightweight strength and thermal conductivity. The forging process enhances the metal grain structure, resulting in pistons that resist cracking and deformation under extreme heat and pressure.\u003c\/p\u003e\u003cp\u003eThe pistons feature a carefully designed dish top with a 12cc volume reduction to optimize combustion efficiency and control compression ratios. The pin bore is engineered for compatibility with both full-floating and press-fit wrist pins, allowing flexibility in engine assembly preferences. Ring grooves are precision-machined to accommodate high-performance piston rings, ensuring effective 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 vehicles equipped with the 5.7L Small Block Mopar Gen III Hemi engine. Installation requires standard engine rebuild procedures, including proper ring end gap setting and wrist pin installation. The pistons are compatible with a 3.578-inch stroke crankshaft and 6.243-inch connecting rods, matching OEM specifications for seamless integration.\u003c\/p\u003e\u003cp\u003eDue to the forged construction and precise dimensions, these pistons are ideal for both OEM replacement and performance builds. No major modifications are typically required, but professional installation is recommended to ensure optimal engine 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 for 5.7L Small Block Mopar Gen III Hemi\u003c\/li\u003e\n\u003cli\u003eCompatible wrist pin options (full-floating or press-fit)\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves 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\u003eThis piston set is perfect for automotive enthusiasts, engine builders, and racers who demand enhanced durability and performance from their 5.7L Hemi engines. Whether upgrading a street vehicle for improved reliability or building a high-output race engine, the DSS Racing FX Series pistons provide a robust foundation for power and longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381031878868,"sku":"1-6723-3947","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381031911636,"sku":"2-6723-3947","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":47381031944404,"sku":"3-6723-3947","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":47381031977172,"sku":"K1-6723-3947","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":47381032009940,"sku":"K2-6723-3947","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":47381032042708,"sku":"K3-6723-3947","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002000_4_f24470df-0616-466b-8901-1a7927a99b17.webp?v=1771666974","url":"https:\/\/fasthemis.com\/products\/6723-3947-5-7-small-block-mopar-hemi-gen-iii-fx-series-12cc-dish-top-gen-iii-hemi-forged-piston-set-3-947-inch-bore-pin-dia-0-945-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}