{"product_id":"6718-3917-5-7-small-block-mopar-hemi-gen-iii-fx-series-9cc-dome-top-gen-iii-hemi-forged-piston-set-3-917-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 Most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6718-3917 \/ 2-6718-3917 \/ 3-6718-3917 \/ K1-6718-3917 \/ K2-6718-3917 \/ K3-6718-3917\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 Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 5.7L Hemi engine. Designed to replace factory pistons, this set offers enhanced durability and performance for enthusiasts seeking to improve engine strength and compression ratios. Ideal for both street and moderate performance builds, these pistons provide a reliable upgrade that supports higher power outputs while maintaining OEM fitment and reliability.\u003c\/p\u003e\u003cp\u003eThese pistons are compatible with the 345 Small Block Mopar Hemi Gen III platform and are crafted to exacting standards, ensuring optimal combustion efficiency and longevity under demanding conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt to deliver superior performance and durability, the DSS Racing FX Series pistons include the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e+9cc dome top design to increase compression and improve combustion efficiency\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches for precise piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003e.927-inch wrist pin diameter with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm top and second rings, with a 3mm oil ring for optimal sealing and oil control\u003c\/li\u003e\n\u003cli\u003eCompatible with a 3.578-inch stroke and 6.243-inch connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes (65cc, 74cc, 85cc) to tailor compression ratios from approximately 9.42:1 to 12.06:1\u003c\/li\u003e\n\u003cli\u003eForged construction for enhanced strength and resistance to detonation\u003c\/li\u003e\n\u003cli\u003ePrecision machining for consistent weight and balance across the piston set\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston in the DSS Racing FX Series is forged from high-quality aluminum alloy, providing a superior strength-to-weight ratio compared to cast pistons. The dome top design increases the compression ratio, which can improve power output and throttle response when paired with appropriate tuning. The pistons are engineered with tight tolerances to ensure a perfect fit within the cylinder bore, reducing friction and wear over time.\u003c\/p\u003e\u003cp\u003eThe wrist pins are designed to accommodate either full-floating or press-fit installation methods, offering flexibility depending on engine build preferences. Additionally, the ring grooves are precisely cut to maintain optimal ring seal and oil control, which is critical for maintaining engine efficiency and longevity.\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 replacement for most Chrysler, Dodge, Jeep, and Ram 5.7L Hemi engines, specifically the 345 Small Block Mopar Hemi Gen III platform. Installation requires standard engine rebuild procedures, including proper honing of cylinder bores and careful measurement of piston-to-wall clearance. No major modifications are typically necessary, but professional installation is recommended to ensure correct piston orientation and ring end gap settings.\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 required for engine)\u003c\/li\u003e\n\u003cli\u003eWrist pins compatible with full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for ring groove dimensions and piston geometry\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 and professional builders looking to upgrade the durability and performance of their 5.7L Hemi engines. Whether building a street performance vehicle, a mild race engine, or a reliable daily driver with enhanced compression, these pistons offer a balanced solution for improved power and engine longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381036073172,"sku":"1-6718-3917","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381036105940,"sku":"2-6718-3917","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":47381036138708,"sku":"3-6718-3917","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":47381036171476,"sku":"K1-6718-3917","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":47381036204244,"sku":"K2-6718-3917","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":47381036237012,"sku":"K3-6718-3917","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0001981_4_345c95bf-1f38-462d-ade0-8ca18a34f1f8.webp?v=1771667131","url":"https:\/\/fasthemis.com\/products\/6718-3917-5-7-small-block-mopar-hemi-gen-iii-fx-series-9cc-dome-top-gen-iii-hemi-forged-piston-set-3-917-inch-bore-pin-dia-0-927-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}