{"product_id":"6811-4090-426-6-2-6-4-stroker-small-block-mopar-hemi-gen-iii-fx-series-7cc-dish-top-gen-iii-hemi-forged-piston-set-4-090-inch-bore-pin-dia-0-927-comp-height-1-12","title":"DSS Racing FX Series Forged Pistons Set 4.090\" Bore: Fits Chrysler \/ Dodge \/ Jeep \/ Ram (11-26)","description":"\u003ch3\u003eDSS Racing FX Series Forged Pistons\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.2L Hellcat \u0026amp; 6.4L Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6811-4090 \/ 2-6811-4090 \/ 3-6811-4090 \/ K1-6811-4090 \/ K2-6811-4090 \/ K3-6811-4090\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 to fit most Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 6.2L Hellcat and 6.4L engines. Crafted for enthusiasts and professional builders alike, these pistons offer a reliable upgrade for high-performance small block Mopar Hemi Gen III applications. With a 4.090\" bore size and a compact design, they provide enhanced strength and durability to withstand the rigors of boosted and naturally aspirated setups.\u003c\/p\u003e\u003cp\u003eThese pistons are ideal for those seeking to improve engine reliability and power potential while maintaining factory-like dimensions and compatibility. Whether building a street machine, track car, or drag racer, the DSS Racing FX Series pistons deliver consistent performance and long-term durability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEngineered for high-performance Mopar applications, these pistons incorporate advanced design elements to optimize strength, weight, and combustion efficiency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged from premium billet aluminum for superior strength and heat resistance\u003c\/li\u003e\n\u003cli\u003e4.090\" bore diameter compatible with most 6.2L Hellcat and 6.4L 392 engines\u003c\/li\u003e\n\u003cli\u003eComp height of 1.12\" for precise deck clearance and optimal compression\u003c\/li\u003e\n\u003cli\u003e7cc dish top design to control compression ratio and reduce detonation risk\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" 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 4.050\" and connecting rod length of 6.125\" for balanced piston speed and strength\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dish volumes (65cc, 74cc, 85cc) to tailor compression ratios from 9.67 to 11.82\u003c\/li\u003e\n\u003cli\u003eDesigned to fit the 426 Small Block Mopar Hemi Gen III platform with exacting tolerances\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 using high-grade aluminum alloys selected for their excellent strength-to-weight ratio and thermal conductivity. The forging process enhances the grain structure, resulting in pistons that resist cracking and deformation under extreme combustion pressures and temperatures. Each piston features a precision-machined dish top to optimize combustion chamber shape and compression ratio, improving power delivery and engine efficiency.\u003c\/p\u003e\u003cp\u003ePin bosses are engineered to accept either full-floating or press-fit wrist pins, providing flexibility for different engine builds and performance requirements. The ring grooves are carefully cut to accommodate performance ring sets, ensuring effective sealing and reduced blow-by. Overall, the design balances durability with lightweight construction to maximize engine responsiveness and longevity.\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 6.4L 392 engines, making installation straightforward for experienced engine builders. Minimal modifications are required when used with compatible rods and blocks. Proper ring end gap and piston-to-wall clearance should be checked during assembly to ensure optimal performance and reliability.\u003c\/p\u003e\u003cp\u003eWhether assembling a fresh build or upgrading an existing engine, these pistons fit seamlessly into the Gen III small block Mopar Hemi platform, supporting a variety of compression ratios and power levels.\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 compatibility for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for dish volume and compression ratio options\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePerformance enthusiasts upgrading Hellcat and 392 Hemi engines\u003c\/li\u003e\n\u003cli\u003eEngine builders seeking durable forged pistons for boosted or naturally aspirated setups\u003c\/li\u003e\n\u003cli\u003eStreet, track, and drag racing applications requiring reliable high-performance components\u003c\/li\u003e\n\u003cli\u003eRebuilds and custom engine projects on Chrysler, Dodge, Jeep, and Ram platforms\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381025489108,"sku":"1-6811-4090","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381025521876,"sku":"2-6811-4090","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":47381025554644,"sku":"3-6811-4090","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":47381025587412,"sku":"K1-6811-4090","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":47381025620180,"sku":"K2-6811-4090","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":47381025652948,"sku":"K3-6811-4090","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002028_4_2ff9bfcc-7788-4924-ac4a-233af9fcc851.webp?v=1771666986","url":"https:\/\/fasthemis.com\/products\/6811-4090-426-6-2-6-4-stroker-small-block-mopar-hemi-gen-iii-fx-series-7cc-dish-top-gen-iii-hemi-forged-piston-set-4-090-inch-bore-pin-dia-0-927-comp-height-1-12","provider":"FastHemis","version":"1.0","type":"link"}