{"product_id":"6728-3937-5-7-small-block-mopar-hemi-gen-iii-fx-series-9cc-dome-top-gen-iii-hemi-forged-piston-set-3-937-inch-bore-pin-dia-0-945-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 +9cc Dome Top Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6728-3937 \/ 2-6728-3937 \/ 3-6728-3937 \/ K1-6728-3937 \/ K2-6728-3937 \/ K3-6728-3937\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 the Chrysler, Dodge, Jeep, and Ram 5.7L Hemi engines. Designed to enhance performance and durability, these pistons are ideal for enthusiasts and professional builders seeking reliable, high-quality components for their small block Mopar Hemi Gen III builds. Featuring a +9cc dome top design, these pistons help optimize compression ratios for improved combustion efficiency and power output.\u003c\/p\u003e\u003cp\u003eWhether you are rebuilding your engine or upgrading for increased performance, this piston set offers a perfect balance of strength, precision, and compatibility with factory and aftermarket components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons incorporate advanced design elements and manufacturing techniques to deliver superior performance and longevity:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e+9cc dome top design for increased compression and power potential\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for precise piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003e.945\" pin diameter compatible with full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm\/1.2mm\/3mm for optimal ring sealing and durability\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.578\" stroke and 6.243\" rod length setups\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes: 65cc (12.15 compression ratio), 74cc (10.78 compression ratio), and 85cc (9.5 compression ratio)\u003c\/li\u003e\n\u003cli\u003ePrecision forged construction for enhanced strength and thermal resistance\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the 348 Small Block Mopar Hemi Gen III FX engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eManufactured using high-grade forged aluminum alloy, these pistons offer exceptional strength-to-weight ratio and excellent heat dissipation properties. The dome top shape is engineered to improve combustion chamber dynamics, promoting efficient flame travel and reducing detonation risk. The pistons are CNC-machined to tight tolerances, ensuring consistent fitment and performance across all cylinders.\u003c\/p\u003e\u003cp\u003eThe pin bore is designed to accommodate either full-floating or press-fit wrist pins, providing flexibility depending on your engine build preferences. The ring grooves are precisely cut to maintain ring stability and sealing 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 to fit most Chrysler, Dodge, Jeep, and Ram 5.7L Hemi engines, specifically the Gen III small block Mopar Hemi platform. Installation requires standard engine rebuilding procedures, including proper ring end gap setting and piston orientation. These pistons are compatible with factory rods and crankshafts matching the specified stroke and rod length dimensions.\u003c\/p\u003e\u003cp\u003eDue to the +9cc dome volume, it is important to verify combustion chamber size and piston-to-valve clearance during installation to ensure optimal performance and avoid interference.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged aluminum pistons with +9cc dome tops\u003c\/li\u003e\n\u003cli\u003ePrecision-machined piston pins (compatible with full-floating or press-fit)\u003c\/li\u003e\n\u003cli\u003eRing groove machined pistons ready for ring installation\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 engine builders, performance enthusiasts, and racers upgrading or rebuilding Chrysler, Dodge, Jeep, or Ram 5.7L Hemi engines. It suits applications requiring increased compression ratios and enhanced durability, including street performance, mild to moderate racing, and custom engine builds.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381031289044,"sku":"1-6728-3937","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381031321812,"sku":"2-6728-3937","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":47381031354580,"sku":"3-6728-3937","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":47381031387348,"sku":"K1-6728-3937","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":47381031420116,"sku":"K2-6728-3937","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":47381031452884,"sku":"K3-6728-3937","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002003_4_3e8c625a-9a2a-41c9-b9ef-9426912a1cc7.webp?v=1771666975","url":"https:\/\/fasthemis.com\/products\/6728-3937-5-7-small-block-mopar-hemi-gen-iii-fx-series-9cc-dome-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"}