{"product_id":"6830-4100-392-6-4-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-100-inch-bore-pin-dia-0-945-comp-height-1-21","title":"DSS Racing Gen III FX Series Forged Flat Top Piston Set 4.100\" Bore: Fits most Hemi Models","description":"\u003ch3\u003eDSS Racing Gen III FX Series Forged Flat Top Piston Set\u003c\/h3\u003e\u003cp\u003eFits Chrysler, Dodge, Jeep, Ram 6.4L 392 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6830-4100 \/ 2-6830-4100 \/ 3-6830-4100 \/ K1-6830-4100 \/ K2-6830-4100 \/ K3-6830-4100\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing Gen III FX Series Forged Flat Top Piston Set is engineered specifically for high-performance applications in Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 6.4L 392 HEMI engine. Designed to replace factory pistons, this set offers enhanced strength and durability to withstand the rigors of increased horsepower and aggressive driving conditions. Ideal for enthusiasts and professional builders looking to maximize engine reliability and efficiency, these pistons deliver consistent performance and improved combustion characteristics.\u003c\/p\u003e\u003cp\u003eBuilt to exacting standards, these pistons feature a flat top design with a -1.5cc dish, optimizing compression ratios for a variety of combustion chamber sizes. Whether upgrading for street performance, track use, or off-road applications, this piston set provides a solid foundation for engine builds requiring precision and toughness.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned with advanced engineering and premium materials, the DSS Racing Gen III FX Series pistons offer the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 6.4L 392 Small Block Mopar HEMI Gen III engines\u003c\/li\u003e\n\u003cli\u003eFlat top piston design with a -1.5cc dish for optimized combustion\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21 inches for precise deck clearance\u003c\/li\u003e\n\u003cli\u003e.945-inch wrist pin diameter, available in full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.720 inches and connecting rod length of 6.2 inches\u003c\/li\u003e\n\u003cli\u003eApproximate compression ratios vary by combustion chamber size: 11.63:1 (65cc), 10.5:1 (74cc), 9.41:1 (85cc)\u003c\/li\u003e\n\u003cli\u003eForged construction for superior strength and durability under high stress\u003c\/li\u003e\n\u003cli\u003ePrecision machining ensures tight tolerances and consistent performance\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 Gen III FX Series is forged from high-grade aluminum alloy, providing an excellent balance of lightweight design and exceptional strength. The forging process enhances the metal’s grain structure, resulting in pistons that resist cracking, scuffing, and thermal fatigue even under extreme operating conditions. The flat top design with a slight dish improves combustion efficiency and helps control detonation, making these pistons suitable for a wide range of compression ratios and fuel types.\u003c\/p\u003e\u003cp\u003eAttention to detail in the ring grooves and wrist pin bore ensures optimal ring seal and wrist pin stability, reducing friction and wear. The option for full-floating or press-fit wrist pins allows builders to tailor the pistons to their specific engine setup and performance goals.\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 6.4L 392 HEMI engines, making installation straightforward for experienced engine builders and professional shops. Minimal modifications are required when used with compatible components, and the pistons maintain factory deck height specifications for ease of assembly. Proper ring installation and clearance checks are recommended to ensure optimal performance and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of forged flat top pistons (quantity as required for engine configuration)\u003c\/li\u003e\n\u003cli\u003eWrist pins (full-floating or press-fit depending on selected option)\u003c\/li\u003e\n\u003cli\u003eRing sets matching the specified 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 upgrading or rebuilding Chrysler, Dodge, Jeep, or Ram 6.4L 392 HEMI engines. It suits applications ranging from street performance and muscle car builds to off-road and track racing, where enhanced durability and precise combustion control are critical. Whether increasing boost, adding nitrous, or simply seeking a stronger bottom end, these pistons provide a reliable foundation for high-output engine builds.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381019689172,"sku":"1-6830-4100","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381019721940,"sku":"2-6830-4100","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":47381019754708,"sku":"3-6830-4100","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":47381019787476,"sku":"K1-6830-4100","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":47381019820244,"sku":"K2-6830-4100","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":47381019853012,"sku":"K3-6830-4100","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002054_4_b58f0545-f213-4f4d-bccf-6c0dff61d579.webp?v=1771666997","url":"https:\/\/fasthemis.com\/products\/6830-4100-392-6-4-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-100-inch-bore-pin-dia-0-945-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}