{"product_id":"6710-3937-5-7-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-3-937-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing Gen III 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\u003e1-6710-3937 \/ 2-6710-3937 \/ 3-6710-3937 \/ K1-6710-3937 \/ K2-6710-3937 \/ K3-6710-3937\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 5.7L Hemi engines found in Chrysler, Dodge, Jeep, and Ram vehicles. Designed to replace factory cast pistons, this set offers enhanced strength and durability for high-performance and street applications. Whether you are building a mild upgrade or a serious performance engine, these pistons provide the reliability and precision needed to handle increased power and boost levels.\u003c\/p\u003e\u003cp\u003eIdeal for enthusiasts and professional builders alike, the FX Series pistons deliver improved combustion efficiency and reduced risk of failure under extreme conditions. Their forged construction and optimized design ensure consistent performance and longevity in demanding environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons incorporate advanced engineering to meet the rigorous demands of modern Hemi engines. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 3.937\" bore size, fitting most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi Gen III engines\u003c\/li\u003e\n\u003cli\u003eForged construction for superior strength compared to OEM cast pistons\u003c\/li\u003e\n\u003cli\u003eFlat top design with a -1.5cc dish to optimize combustion chamber shape\u003c\/li\u003e\n\u003cli\u003eCompression height of 1.21\" to maintain proper deck clearance\u003c\/li\u003e\n\u003cli\u003e.927\" wrist pin diameter with options for full-floating or press-fit pins\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for reliable ring sealing\u003c\/li\u003e\n\u003cli\u003eDesigned for use with a 3.578\" stroke crankshaft and 6.243\" connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios approximately ranging from 8.5:1 to 10.5:1 to suit different build goals\u003c\/li\u003e\n\u003cli\u003ePrecision machining ensures tight tolerances and consistent 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 crafted from high-grade forged aluminum alloy, providing an excellent balance of strength and lightweight performance. Forging enhances the metal’s grain structure, resulting in pistons that resist cracking and deformation under high thermal and mechanical stress. The flat top design with a slight dish improves combustion efficiency and helps control detonation.\u003c\/p\u003e\u003cp\u003eEach piston features carefully engineered ring grooves and pin bosses to ensure durability and maintain proper sealing throughout the engine’s operating range. The option for full-floating or press-fit wrist pins allows builders to tailor the setup to their specific application and performance requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for most 5.7L Hemi Gen III engines from Chrysler, Dodge, Jeep, and Ram. Installation requires standard engine assembly procedures, including proper ring end gap setting and piston-to-wall clearance checks. Depending on the wrist pin option selected, additional steps may be necessary to secure the pins correctly.\u003c\/p\u003e\u003cp\u003eDue to the precision manufacturing and compatibility with stock dimensions, minimal modifications are typically needed, making this piston set an excellent choice for both rebuilds and performance upgrades.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged pistons sized for 3.937\" bore\u003c\/li\u003e\n\u003cli\u003eWrist pins (.927\") with choice of full-floating or press-fit configuration\u003c\/li\u003e\n\u003cli\u003eRing grooves pre-machined for 1.2mm top and second rings, 3mm oil ring\u003c\/li\u003e\n\u003cli\u003eInstallation instructions and technical specifications\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 engine builders and performance enthusiasts upgrading or rebuilding 5.7L Hemi Gen III engines. It suits applications ranging from street performance to moderate racing builds where enhanced durability and compression control are critical. Whether upgrading from OEM pistons or replacing worn components, the DSS Racing FX Series pistons offer a reliable foundation for increased power and engine longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381040070868,"sku":"1-6710-3937","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381040103636,"sku":"2-6710-3937","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":47381040136404,"sku":"3-6710-3937","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":47381040169172,"sku":"K1-6710-3937","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":47381040201940,"sku":"K2-6710-3937","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":47381040234708,"sku":"K3-6710-3937","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0001965_4_8438db0d-e510-47ea-b638-9c207659ba7f.webp?v=1771667125","url":"https:\/\/fasthemis.com\/products\/6710-3937-5-7-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-3-937-inch-bore-pin-dia-0-927-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}