{"product_id":"6718-3927-5-7-small-block-mopar-hemi-gen-iii-fx-series-9cc-dome-top-gen-iii-hemi-forged-piston-set-3-927-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing Forged +9cc Dome Top Piston Set 3.927\" Bore 5.7L Small Block Mopar Gen III Hemi: Fits most Hemi Models","description":"\u003ch3\u003eDSS Racing Forged +9cc Dome Top Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6718-3927 \/ 2-6718-3927 \/ 3-6718-3927 \/ K1-6718-3927 \/ K2-6718-3927 \/ K3-6718-3927\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Forged +9cc Dome Top Piston Set is engineered specifically for the 5.7L Small Block Mopar Gen III Hemi engines found in many Chrysler, Dodge, Jeep, and Ram vehicles. Designed to enhance engine performance and durability, these pistons feature a +9cc dome top that increases compression ratios, delivering improved power output and throttle response. Ideal for enthusiasts and professional builders looking to upgrade their Hemi engine’s internals, this piston set offers a reliable solution for high-performance applications.\u003c\/p\u003e\u003cp\u003eWhether you’re rebuilding your engine or seeking to boost its efficiency and strength, DSS Racing’s forged pistons provide the precision and quality needed to withstand demanding conditions while maintaining excellent fitment and compatibility with stock components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons incorporate advanced design and manufacturing techniques to ensure optimal performance and longevity. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e+9cc dome top design for increased compression and power potential\u003c\/li\u003e\n\u003cli\u003e3.927\" bore diameter tailored for 5.7L Small Block Mopar Gen III Hemi engines\u003c\/li\u003e\n\u003cli\u003eCompatible with full-floating or press-fit wrist pins for versatile 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\u003eForged construction for superior strength and durability under high stress\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" optimized for factory and aftermarket cylinder heads\u003c\/li\u003e\n\u003cli\u003eDesigned to work with a 3.578\" stroke and 6.243\" connecting rods\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression volume options (65cc, 74cc, 85cc) to tailor compression ratios from approximately 9.47:1 to 12.12:1\u003c\/li\u003e\n\u003cli\u003ePrecision machining ensures excellent balance and minimal friction\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing pistons are crafted from high-grade forged aluminum alloy, providing an ideal balance of lightweight strength and thermal conductivity. The forging process enhances the metal’s grain structure, resulting in pistons that resist cracking, scuffing, and deformation even under extreme combustion pressures and temperatures. The +9cc dome top shape is engineered to optimize combustion chamber dynamics, improving flame propagation and overall efficiency.\u003c\/p\u003e\u003cp\u003eEach piston is CNC-machined to exacting tolerances, ensuring consistent dimensions and perfect fitment within the cylinder bore. The ring grooves are carefully cut to accommodate high-performance piston rings that maintain excellent sealing and reduce blow-by. The option for full-floating or press-fit wrist pins allows builders to customize the assembly based on their specific engine build requirements.\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 vehicles equipped with the 5.7L Gen III Hemi engine. Installation requires standard engine rebuilding procedures, including proper honing of the cylinder bore and careful assembly of piston rings and wrist pins. No major modifications are typically necessary, making these pistons a direct replacement or upgrade option for factory components.\u003c\/p\u003e\u003cp\u003eDue to the increased dome volume, it is important to verify piston-to-valve clearance and overall compression ratio compatibility with your specific engine setup. Professional installation is recommended to ensure optimal performance and reliability.\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 (full-floating or press-fit, depending on selected option)\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 performance enthusiasts, engine builders, and racers seeking to upgrade their 5.7L Hemi engines for increased power and durability. It suits applications ranging from street performance to moderate track use, where enhanced compression and reliable forged components are essential. Whether rebuilding a worn engine or building a high-output powerplant, DSS Racing pistons provide a solid foundation for improved engine performance.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381035417812,"sku":"1-6718-3927","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381035450580,"sku":"2-6718-3927","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":47381035483348,"sku":"3-6718-3927","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":47381035516116,"sku":"K1-6718-3927","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":47381035548884,"sku":"K2-6718-3927","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":47381035581652,"sku":"K3-6718-3927","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0001983_4_ee8e5381-fbe8-4976-b5bc-163d2b3d2d7c.webp?v=1771667132","url":"https:\/\/fasthemis.com\/products\/6718-3927-5-7-small-block-mopar-hemi-gen-iii-fx-series-9cc-dome-top-gen-iii-hemi-forged-piston-set-3-927-inch-bore-pin-dia-0-927-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}