{"product_id":"6723-3957-5-7-small-block-mopar-hemi-gen-iii-fx-series-12cc-dish-top-gen-iii-hemi-forged-piston-set-3-957-inch-bore-pin-dia-0-945-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set 3.957\" Bore: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi","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\u003e1-6723-3957 \/ 2-6723-3957 \/ 3-6723-3957 \/ K1-6723-3957 \/ K2-6723-3957 \/ K3-6723-3957\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 Chrysler, Dodge, Jeep, and Ram 5.7L Hemi engines, including the 352 Small Block Mopar Hemi Gen III platform. Designed for enthusiasts and professional builders seeking enhanced durability and performance, these pistons offer a reliable upgrade over stock components. Their forged construction ensures superior strength and resistance to high-stress conditions, making them ideal for high-performance street, track, or mild racing applications.\u003c\/p\u003e\u003cp\u003eWith a bore size of 3.957 inches and a compression height of 1.21 inches, these pistons are precision-crafted to maintain optimal engine geometry and performance. The -12cc dish top design helps control compression ratios, allowing for tuning flexibility depending on your build requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced design elements tailored for the 5.7L Hemi engine platform:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 3.957\" bore size for most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi engines\u003c\/li\u003e\n\u003cli\u003eForged construction for enhanced strength and durability under high load\u003c\/li\u003e\n\u003cli\u003e12cc dish top design to optimize combustion chamber volume and compression ratio\u003c\/li\u003e\n\u003cli\u003eCompression height of 1.21\" to maintain proper piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003ePin diameter of .945\" compatible with full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eDesigned for use with 6.243\" connecting rods and 3.578\" stroke crankshafts\u003c\/li\u003e\n\u003cli\u003eApproximate compression ratios available: 9.48:1 (65cc), 8.67:1 (74cc), and 7.86:1 (85cc) depending on combustion chamber volume\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe FX Series pistons are forged from high-grade aluminum alloy, providing an excellent balance of lightweight properties and mechanical strength. This material choice improves thermal conductivity and reduces reciprocating mass, contributing to quicker engine response and durability. The pistons feature a carefully engineered dish top to manage compression and combustion characteristics, enhancing efficiency and power potential.\u003c\/p\u003e\u003cp\u003eEach piston is precision-machined to tight tolerances, ensuring consistent ring groove dimensions and pin fitment. The option for full-floating or press-fit wrist pins allows compatibility with various rod designs and assembly preferences. The robust ring groove design supports reliable sealing under demanding operating conditions, reducing blow-by and oil consumption.\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 5.7L Hemi engines, including the Gen III 352 Small Block Mopar Hemi. Installation requires standard engine rebuilding procedures, including proper honing of cylinder bores to the specified 3.957\" diameter. Depending on your engine build, minor modifications may be necessary to accommodate the piston dish volume and compression height.\u003c\/p\u003e\u003cp\u003eThese pistons are compatible with 6.243\" connecting rods and a 3.578\" stroke crankshaft, making them a direct fit for many common 5.7L Hemi configurations. Professional installation is recommended to ensure optimal clearances and performance.\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 per kit selection)\u003c\/li\u003e\n\u003cli\u003eWrist pins compatible with full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eDetailed specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is ideal for performance enthusiasts, engine builders, and racers upgrading their 5.7L Hemi engines. Whether you are building a high-performance street machine, a mild race engine, or a durable daily driver with enhanced power, these pistons provide the strength and reliability needed to handle increased cylinder pressures and RPMs. They are especially suited for those seeking improved engine longevity and consistent performance under demanding conditions.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381031682260,"sku":"1-6723-3957","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381031715028,"sku":"2-6723-3957","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":47381031747796,"sku":"3-6723-3957","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":47381031780564,"sku":"K1-6723-3957","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":47381031813332,"sku":"K2-6723-3957","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":47381031846100,"sku":"K3-6723-3957","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002001_4_5d146e27-1d83-4f80-bae8-0b8d26edc25f.webp?v=1771666974","url":"https:\/\/fasthemis.com\/products\/6723-3957-5-7-small-block-mopar-hemi-gen-iii-fx-series-12cc-dish-top-gen-iii-hemi-forged-piston-set-3-957-inch-bore-pin-dia-0-945-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}