{"product_id":"6728-3957-5-7-small-block-mopar-hemi-gen-iii-fx-series-9cc-dome-top-gen-iii-hemi-forged-piston-set-3-957-inch-bore-pin-dia-0-945-comp-height-1-21","title":"DSS Racing +9cc Dome Top Forged Piston Set: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi","description":"\u003ch3\u003eDSS Racing Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6728-3957 \/ 2-6728-3957 \/ 3-6728-3957 \/ K1-6728-3957 \/ K2-6728-3957 \/ K3-6728-3957\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing +9cc Dome Top Forged Piston Set is engineered specifically for the 5.7L Hemi engines found in many Chrysler, Dodge, Jeep, and Ram vehicles. Designed to enhance engine performance and durability, these pistons are an ideal upgrade for enthusiasts seeking improved compression ratios and reliable power gains. Whether you are rebuilding your engine or upgrading for higher performance applications, this piston set offers a precision fit and robust construction to meet demanding conditions.\u003c\/p\u003e\u003cp\u003eWith a bore size of 3.957\" and a dome volume of +9cc, these pistons help optimize combustion efficiency and power output. They are compatible with the 352 Small Block Mopar Hemi Gen III, FX series, and feature a compact compression height of 1.21\" to maintain proper piston-to-head clearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese DSS Racing pistons incorporate advanced design elements to deliver superior performance and reliability:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e+9cc dome top design for increased compression and combustion efficiency\u003c\/li\u003e\n\u003cli\u003eForged construction for enhanced strength and durability under high stress\u003c\/li\u003e\n\u003cli\u003eCompatible with full-floating or press-fit wrist pins (.945\" PIN diameter)\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for optimal sealing\u003c\/li\u003e\n\u003cli\u003eDesigned for a 3.578\" stroke and 6.243\" connecting rod length\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression volumes to suit different build requirements (65cc, 74cc, 85cc)\u003c\/li\u003e\n\u003cli\u003ePrecision machined to fit 3.957\" bore diameter for most 5.7L Hemi engines\u003c\/li\u003e\n\u003cli\u003eCompatible with Mopar Gen III and FX engine platforms\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eManufactured from high-grade forged aluminum alloy, these pistons provide exceptional strength-to-weight ratio, reducing reciprocating mass while maintaining durability. The dome top design is carefully engineered to increase compression ratio without compromising piston-to-valve clearance. The pistons feature tight tolerances and a smooth finish to ensure optimal ring sealing and reduced friction.\u003c\/p\u003e\u003cp\u003eThe wrist pin design supports either full-floating or press-fit configurations, allowing flexibility depending on engine build preferences. Ring grooves are precision cut to accommodate standard 1.2mm compression rings and a 3mm oil ring, ensuring effective sealing and oil control under high-performance conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct fit for most Chrysler, Dodge, Jeep, and Ram 5.7L Hemi engines with a 3.957\" bore. Installation requires standard engine rebuilding procedures, including proper honing and cleaning of the cylinder bores. The pistons’ compact compression height of 1.21\" ensures compatibility with stock or aftermarket cylinder heads without the need for extensive modifications.\u003c\/p\u003e\u003cp\u003eIt is recommended to verify piston-to-valve clearance and ring end gaps during installation. These pistons are suitable for both rebuilds and performance upgrades, providing a reliable foundation for increased power output and engine longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged +9cc dome top pistons (quantity as per engine requirements)\u003c\/li\u003e\n\u003cli\u003eWrist pins compatible with full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003ePrecision-cut piston rings sized 1.2\/1.2\/3mm for compression and oil control\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 vehicles equipped with the 5.7L Hemi engine. It suits applications ranging from street performance upgrades to moderate racing builds where increased compression and durability are desired. Whether restoring a classic Mopar Hemi or enhancing a modern engine, these pistons provide a solid foundation for improved power and reliability.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381030699220,"sku":"1-6728-3957","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381030731988,"sku":"2-6728-3957","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":47381030764756,"sku":"3-6728-3957","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":47381030797524,"sku":"K1-6728-3957","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":47381030830292,"sku":"K2-6728-3957","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":47381030863060,"sku":"K3-6728-3957","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002006_4_a7b2d608-f0a9-4af1-9809-9deb4e0e0479.webp?v=1771666976","url":"https:\/\/fasthemis.com\/products\/6728-3957-5-7-small-block-mopar-hemi-gen-iii-fx-series-9cc-dome-top-gen-iii-hemi-forged-piston-set-3-957-inch-bore-pin-dia-0-945-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}