{"product_id":"6720-3937-5-7-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-3-937-inch-bore-pin-dia-0-945-comp-height-1-21","title":"DSS Racing FX Series Forged Flat Top Pistons Set: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi","description":"\u003ch3\u003eDSS Racing FX Series Forged Flat Top Pistons Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6720-3937 \/ 2-6720-3937 \/ 3-6720-3937 \/ K1-6720-3937 \/ K2-6720-3937 \/ K3-6720-3937\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Flat Top Pistons Set is engineered specifically for Chrysler, Dodge, Jeep, and Ram 5.7L Hemi engines, including the 348 Small Block Mopar Hemi Gen III. Designed for high-performance applications, these pistons offer a perfect balance of strength, durability, and precision fitment. Whether you are rebuilding your engine or upgrading for enhanced power and reliability, this piston set delivers consistent performance under demanding conditions.\u003c\/p\u003e\u003cp\u003eIdeal for enthusiasts and professional builders alike, these pistons provide improved combustion efficiency and support higher compression ratios, making them suitable for street performance, mild racing, and custom engine builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt with advanced engineering and premium materials, the DSS Racing FX Series pistons include the following features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and durability\u003c\/li\u003e\n\u003cli\u003eFlat top design with a -1.5cc dish for optimized combustion chamber volume\u003c\/li\u003e\n\u003cli\u003eCompression height of 1.21 inches for precise piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003e.945-inch wrist pin diameter with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm to accommodate high-performance piston rings\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.578-inch stroke crankshafts and 6.243-inch connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes to support approximate compression ratios of 10.5:1 (65cc), 9.5:1 (74cc), and 8.5:1 (85cc)\u003c\/li\u003e\n\u003cli\u003ePrecision CNC-machined for consistent fit and finish\u003c\/li\u003e\n\u003cli\u003eDesigned to fit most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi engines with minimal modifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are crafted from high-grade forged aluminum alloy, providing an excellent strength-to-weight ratio that withstands the rigors of high-performance and forced induction applications. The flat top design enhances combustion efficiency by promoting a more uniform flame front and reducing detonation risks. The pistons are engineered with tight tolerances to ensure optimal ring seal and minimal friction, contributing to improved engine longevity and power output.\u003c\/p\u003e\u003cp\u003eThe wrist pin options allow for either full-floating or press-fit installation, giving builders flexibility based on their engine setup and performance goals. The ring grooves are precisely machined to accommodate performance rings that maintain excellent sealing under high cylinder pressures.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eInstallation of the DSS Racing FX Series pistons requires standard engine rebuilding procedures and is compatible with most Chrysler, Dodge, Jeep, and Ram 5.7L Hemi engines. The pistons fit engines with a 3.578-inch stroke and 6.243-inch connecting rods, making them ideal for stock or mildly modified bottom ends. Minimal modifications are needed when replacing OEM pistons, but it is recommended to verify clearances and ring end gaps during installation.\u003c\/p\u003e\u003cp\u003eThese pistons are designed to work seamlessly with factory cylinder heads and standard engine components, ensuring a straightforward upgrade path for performance enthusiasts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged flat top pistons (quantity as required for engine rebuild)\u003c\/li\u003e\n\u003cli\u003eWrist pins (.945\" diameter) suitable for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for compression height, ring groove dimensions, and combustion chamber volumes\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 automotive enthusiasts, engine builders, and racers looking to upgrade or rebuild their Chrysler, Dodge, Jeep, or Ram 5.7L Hemi engines. It suits applications ranging from street performance to mild racing builds, offering enhanced durability and improved combustion characteristics. Whether you are restoring a classic Mopar Hemi or building a modern performance engine, these pistons provide a reliable foundation for increased power and efficiency.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381033156820,"sku":"1-6720-3937","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381033189588,"sku":"2-6720-3937","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":47381033222356,"sku":"3-6720-3937","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":47381033255124,"sku":"K1-6720-3937","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":47381033287892,"sku":"K2-6720-3937","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":47381033320660,"sku":"K3-6720-3937","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0001994_4_54bbce8f-85e6-4c28-98f5-8e124a6d834c.webp?v=1771666971","url":"https:\/\/fasthemis.com\/products\/6720-3937-5-7-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-3-937-inch-bore-pin-dia-0-945-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}