{"product_id":"6862-4090-6-2-small-block-mopar-hemi-gen-iii-fx-series-10cc-dish-top-gen-iii-hemi-forged-piston-set-4-090-inch-bore-pin-dia-0-927-comp-height-1-275","title":"DSS Racing FX Series Forged Pistons Set 4.090\" Bore: Fits Jeep \/ Dodge \/ Ram 6.2L Gen III Hemi","description":"\u003ch3\u003eDSS Racing FX Series Forged Pistons\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.2L Hellcat \u0026amp; Trackhawk Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6862-4090 \/ 2-6862-4090 \/ 3-6862-4090 \/ K1-6862-4090 \/ K2-6862-4090 \/ K3-6862-4090\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Pistons are precision-engineered performance components designed specifically for the 6.2L Gen III Hemi engines found in most Chrysler, Dodge, Jeep, and Ram Hellcat and Trackhawk models. Crafted to handle extreme power and high RPM conditions, these pistons offer a reliable upgrade for enthusiasts seeking enhanced durability and performance in their high-output Mopar engines.\u003c\/p\u003e\u003cp\u003eBuilt with a focus on strength and lightweight design, these pistons help improve engine response and longevity under demanding driving conditions, making them ideal for street performance, track use, and forced induction applications.\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 reliability:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 4.090\" bore size for 6.2L Gen III Hemi engines\u003c\/li\u003e\n\u003cli\u003eCompensated dish top design with -10cc volume for optimized compression ratios\u003c\/li\u003e\n\u003cli\u003e1.275\" compression height for precise piston-to-cylinder fitment\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eDesigned for 3.578\" stroke and 6.2\" connecting rods, matching factory specifications\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes to achieve approximate compression ratios of 10.22:1, 9.32:1, and 8.44:1\u003c\/li\u003e\n\u003cli\u003ePrecision CNC machining ensures tight tolerances and consistent performance\u003c\/li\u003e\n\u003cli\u003eEngineered to withstand high cylinder pressures and temperatures typical of Hellcat power levels\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 high-strength aluminum alloy, providing an excellent balance of durability and lightweight characteristics. The forging process enhances the metal grain structure, resulting in pistons that resist cracking and deformation under extreme stress.\u003c\/p\u003e\u003cp\u003eThe pistons feature a carefully engineered dish top design that optimizes combustion chamber volume and compression ratio, allowing for improved power output and efficiency. The ring grooves are precisely machined to accommodate high-performance piston rings, ensuring superior sealing and reduced blow-by.\u003c\/p\u003e\u003cp\u003ePin bosses are reinforced to support either full-floating or press-fit wrist pins, offering flexibility depending on engine build preferences. Overall, the design focuses on maintaining factory dimensions while delivering enhanced strength and reliability for high-performance applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for most Chrysler, Dodge, Jeep, and Ram 6.2L Hellcat and Trackhawk engines equipped with a 4.090\" bore. Installation requires standard engine assembly procedures, and no major modifications are typically necessary when used with compatible rods and cylinders.\u003c\/p\u003e\u003cp\u003eProper ring end gap and clearance checks are recommended during installation to ensure optimal performance and longevity. These pistons are suitable for both naturally aspirated and forced induction setups, making them versatile for various build goals.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of 8 DSS Racing FX Series forged pistons (4.090\" bore)\u003c\/li\u003e\n\u003cli\u003eWrist pin options: full-floating or press-fit (depending on SKU)\u003c\/li\u003e\n\u003cli\u003eDetailed specifications and installation guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese forged pistons are ideal for performance enthusiasts and professional builders upgrading or rebuilding 6.2L Gen III Hemi Hellcat and Trackhawk engines. Whether you are enhancing a street machine, preparing a drag car, or building a track-ready vehicle, these pistons provide the strength and precision needed to support increased power levels and demanding driving conditions.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47380999307476,"sku":"1-6862-4090","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47380999340244,"sku":"2-6862-4090","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":47380999373012,"sku":"3-6862-4090","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":47380999405780,"sku":"K1-6862-4090","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":47380999438548,"sku":"K2-6862-4090","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":47380999471316,"sku":"K3-6862-4090","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002138_4_96af856c-cbde-40bf-ad2d-6833c5772481.webp?v=1771667031","url":"https:\/\/fasthemis.com\/products\/6862-4090-6-2-small-block-mopar-hemi-gen-iii-fx-series-10cc-dish-top-gen-iii-hemi-forged-piston-set-4-090-inch-bore-pin-dia-0-927-comp-height-1-275","provider":"FastHemis","version":"1.0","type":"link"}