{"product_id":"6723-3927-5-7-small-block-mopar-hemi-gen-iii-fx-series-12cc-dish-top-gen-iii-hemi-forged-piston-set-3-927-inch-bore-pin-dia-0-945-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set 3.927\" Bore: 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\u003e1-6723-3927 \/ 2-6723-3927 \/ 3-6723-3927 \/ K1-6723-3927 \/ K2-6723-3927 \/ K3-6723-3927\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is engineered specifically for Chrysler, Dodge, Jeep, and Ram 5.7L Hemi engines, including the 347 Small Block Mopar Hemi Gen III. Designed for high-performance applications, these pistons offer exceptional strength and durability to withstand the rigors of boosted, high-boost, and naturally aspirated builds. Whether you are upgrading your engine for racing, street performance, or heavy-duty use, this piston set delivers reliable power and efficiency improvements.\u003c\/p\u003e\u003cp\u003eWith a 3.927\" bore size and a compact 1.21\" compression height, these pistons are optimized for enhanced combustion and reduced weight. The -12cc dish top design helps control compression ratios, making them suitable for a variety of tuning setups. DSS Racing’s FX Series pistons are a trusted choice for enthusiasts seeking a balance of performance, reliability, and precision engineering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt to meet the demands of high-performance Mopar Hemi engines, the FX Series Forged Pistons include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and durability under extreme conditions\u003c\/li\u003e\n\u003cli\u003e3.927\" bore size compatible with most 5.7L Hemi applications\u003c\/li\u003e\n\u003cli\u003eCompact 1.21\" compression height for optimized piston-to-cylinder fit\u003c\/li\u003e\n\u003cli\u003e12cc dish top design to manage compression ratios effectively\u003c\/li\u003e\n\u003cli\u003e.945\" wrist pin diameter with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for reliable ring sealing and reduced friction\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.578\" and connecting rod length of 6.243\" for precise engine geometry\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes (65cc, 74cc, 85cc) to tailor compression ratios from approximately 7.78 to 9.37\u003c\/li\u003e\n\u003cli\u003eDesigned for 347 Small Block Mopar Hemi Gen III engines, ensuring exact fitment and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons are forged from premium-grade aluminum alloy, delivering an optimal balance of lightweight design and high tensile strength. This forging process enhances grain structure, resulting in pistons that resist cracking, scuffing, and thermal fatigue even under high cylinder pressures and elevated temperatures.\u003c\/p\u003e\u003cp\u003eEach piston features precision-machined ring grooves and a carefully engineered dish top to optimize combustion chamber dynamics. The wrist pin bore is designed to accommodate either full-floating or press-fit pins, allowing flexibility depending on engine build preferences. The pistons’ compact compression height and carefully calculated dish volume options provide tuners with the ability to fine-tune compression ratios for a wide range of performance goals.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed to fit most Chrysler, Dodge, Jeep, and Ram 5.7L Hemi engines, including the 347 Small Block Mopar Hemi Gen III. Installation requires standard engine rebuilding procedures and may involve balancing and honing to ensure optimal piston-to-cylinder wall clearance. The choice between full-floating or press-fit wrist pins allows compatibility with various connecting rod configurations.\u003c\/p\u003e\u003cp\u003eProfessional installation is recommended to ensure precise fitment and to maximize the pistons’ performance and longevity. These pistons are ideal for engine builders upgrading or rebuilding 5.7L Hemi engines for street, strip, or off-road applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged FX Series pistons (quantity as per SKU selection)\u003c\/li\u003e\n\u003cli\u003eWrist pins (.945\" diameter) compatible with full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for bore size, compression height, and dish volume\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Piston Set is ideal for automotive enthusiasts, professional engine builders, and racers who demand enhanced durability and performance from their 5.7L Hemi engines. Whether upgrading for forced induction, naturally aspirated power gains, or heavy-duty applications, these pistons provide the strength and precision needed to support higher horsepower and torque outputs reliably.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381032566996,"sku":"1-6723-3927","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381032599764,"sku":"2-6723-3927","price":719.95,"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":47381032632532,"sku":"3-6723-3927","price":899.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381032665300,"sku":"K1-6723-3927","price":867.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381032698068,"sku":"K2-6723-3927","price":897.95,"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":47381032730836,"sku":"K3-6723-3927","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0001997_4_4ac28e85-77dd-4689-8d95-f700e76b5a70.webp?v=1771666972","url":"https:\/\/fasthemis.com\/products\/6723-3927-5-7-small-block-mopar-hemi-gen-iii-fx-series-12cc-dish-top-gen-iii-hemi-forged-piston-set-3-927-inch-bore-pin-dia-0-945-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}