{"product_id":"6718-3957-5-7-small-block-mopar-hemi-gen-iii-fx-series-9cc-dome-top-gen-iii-hemi-forged-piston-set-3-957-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series +9cc Dome Top Forged Piston Set: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Chrysler, Dodge, Jeep, Ram 5.7L Hemi Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6718-3957 \/ 2-6718-3957 \/ 3-6718-3957 \/ K1-6718-3957 \/ K2-6718-3957 \/ K3-6718-3957\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series +9cc Dome Top Forged Piston Set is engineered specifically for most Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 5.7L Hemi V8 engine. Designed to replace factory pistons, this set offers enhanced strength and durability for enthusiasts seeking reliable performance upgrades. Ideal for street performance, mild racing, or engine rebuilds, these pistons provide improved combustion efficiency and increased compression options to suit various build goals.\u003c\/p\u003e\u003cp\u003eWhether you are rebuilding your 5.7L Hemi or upgrading for higher power output, these forged pistons deliver the quality and precision needed to withstand demanding conditions while maintaining OEM fitment and reliability.\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 offer the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e+9cc dome top design to increase compression ratio and optimize combustion\u003c\/li\u003e\n\u003cli\u003eForged construction for superior strength and resistance to detonation\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for compatibility with stock and aftermarket components\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" with options for full-floating or press-fit wrist pins\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\" stroke and 6.243\" connecting rods typical of the 5.7L Hemi\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volume options (65cc, 74cc, 85cc) for compression ratios ranging approximately from 9.58:1 to 12.25:1\u003c\/li\u003e\n\u003cli\u003eDesigned for 352 Small Block Mopar Hemi Gen III engines\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 balance of lightweight strength and thermal conductivity. The dome top design enhances combustion chamber shape, promoting efficient flame travel and improved power output. Precision CNC machining ensures tight tolerances for optimal ring sealing and piston-to-wall clearance, reducing friction and wear.\u003c\/p\u003e\u003cp\u003eThe option for full-floating or press-fit wrist pins allows builders to tailor the assembly to their specific application and durability requirements. The piston skirts are engineered to minimize noise and scuffing, contributing to smoother engine operation and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons are designed as direct replacements for factory pistons in most Chrysler, Dodge, Jeep, and Ram 5.7L Hemi engines. Installation requires standard engine rebuild procedures, including proper ring end gap setting and piston orientation. No major modifications to the block or connecting rods are typically necessary, making these pistons a straightforward upgrade for performance builds or rebuilds.\u003c\/p\u003e\u003cp\u003eBuilders should verify compression ratio targets based on their chosen combustion chamber volume and engine specifications to ensure compatibility with fuel and tuning strategies.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of 8 forged +9cc dome top pistons\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit options depending on SKU)\u003c\/li\u003e\n\u003cli\u003ePiston rings compatible with 1.2\/1.2\/3mm groove dimensions\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 ideal for automotive enthusiasts, engine builders, and performance tuners working on Chrysler, Dodge, Jeep, or Ram 5.7L Hemi engines who require durable, high-quality forged pistons. Whether upgrading for increased compression, rebuilding a worn engine, or preparing for mild to moderate power enhancements, these pistons provide a reliable foundation for improved engine performance and longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381034434772,"sku":"1-6718-3957","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381034467540,"sku":"2-6718-3957","price":769.95,"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":47381034500308,"sku":"3-6718-3957","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381034533076,"sku":"K1-6718-3957","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381034565844,"sku":"K2-6718-3957","price":967.95,"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":47381034598612,"sku":"K3-6718-3957","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0001987_4_d0c7b258-6e2b-40e3-9895-ece431860dc9.webp?v=1771667133","url":"https:\/\/fasthemis.com\/products\/6718-3957-5-7-small-block-mopar-hemi-gen-iii-fx-series-9cc-dome-top-gen-iii-hemi-forged-piston-set-3-957-inch-bore-pin-dia-0-927-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}