{"product_id":"6800-4055-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-055-inch-bore-pin-dia-0-927-comp-height-1-09","title":"DSS Racing FX Series Forged Flat Top Piston Set 4.055\" Bore: Fits Dodge \/ Chrysler \/ Jeep (03-23)","description":"\u003ch3\u003eDSS Racing FX Series Forged Flat Top Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6800-4055 \/ 2-6800-4055 \/ 3-6800-4055 \/ K1-6800-4055 \/ K2-6800-4055 \/ K3-6800-4055\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series Forged Flat Top Piston Set is engineered specifically for the Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models, delivering superior strength and performance for enthusiasts and professional builders alike. Designed to fit the 418 Small Block Mopar Hemi Gen III engines, these pistons offer a precise 4.055\" bore size and a compact flat top design that optimizes combustion efficiency and power output.\u003c\/p\u003e\u003cp\u003eIdeal for high-performance applications, these pistons provide enhanced durability under extreme conditions, making them perfect for street performance, track use, or serious rebuild projects. The set is engineered to maintain factory-like reliability while supporting increased horsepower and torque demands.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt with advanced engineering and precision manufacturing, the DSS Racing FX Series pistons offer a range of features designed to maximize engine performance and longevity:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for superior strength and resistance to high stress\u003c\/li\u003e\n\u003cli\u003eFlat top design with a -1.5cc dish for optimized combustion chamber volume\u003c\/li\u003e\n\u003cli\u003eComp height of 1.09\" for precise piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" compatible with full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for reliable ring sealing\u003c\/li\u003e\n\u003cli\u003eCompatible with 4.050\" stroke and 6.125\" rod length setups\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratios to suit various build goals: 65cc (12.36:1), 74cc (11.15:1), and 85cc (9.96:1)\u003c\/li\u003e\n\u003cli\u003ePrecision balanced for smooth engine operation and reduced vibration\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach piston in the FX Series is forged from high-grade aluminum alloy, providing an excellent strength-to-weight ratio that withstands the rigors of high-performance and forced induction applications. The flat top design reduces quench distance and promotes efficient combustion, while the carefully engineered pin bore and ring grooves ensure durability and optimal sealing under high cylinder pressures.\u003c\/p\u003e\u003cp\u003eThe pistons are designed with versatility in mind, accommodating both full-floating and press-fit wrist pin configurations to suit different engine builds and preferences. This attention to detail ensures a precise fit and long-lasting performance in the demanding environment of the Mopar 6.1L Hemi engine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are direct replacements for most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, designed to fit the 4.055\" bore size common to these applications. Installation requires standard engine rebuild procedures and may involve balancing and clearancing to match specific build parameters. The pistons are compatible with stock or aftermarket rods and crankshafts matching the specified stroke and rod length.\u003c\/p\u003e\u003cp\u003eProfessional installation is recommended to ensure optimal piston-to-cylinder wall clearance, ring end gap, and overall engine assembly integrity.\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 compatible with full-floating or press-fit setups\u003c\/li\u003e\n\u003cli\u003eRing grooves pre-machined for 1.2mm top and second rings, 3mm oil ring\u003c\/li\u003e\n\u003cli\u003eTechnical specifications and installation guidelines\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 Mopar enthusiasts and engine builders seeking a reliable, high-performance upgrade for the 6.1L SRT8 platform. Whether rebuilding a street engine, preparing a track-ready build, or upgrading for forced induction, these pistons provide the strength and precision needed to handle increased power and stress.\u003c\/p\u003e\u003cp\u003eThey are especially suited for those who want to maintain factory bore size while improving compression ratio options and durability.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381030011092,"sku":"1-6800-4055","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381030043860,"sku":"2-6800-4055","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":47381030076628,"sku":"3-6800-4055","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":47381030109396,"sku":"K1-6800-4055","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":47381030142164,"sku":"K2-6800-4055","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":47381030174932,"sku":"K3-6800-4055","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002007_4_208fd1b2-2997-493b-84f8-1c5edec8b4d0.webp?v=1771666977","url":"https:\/\/fasthemis.com\/products\/6800-4055-6-1-stroker-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-4-055-inch-bore-pin-dia-0-927-comp-height-1-09","provider":"FastHemis","version":"1.0","type":"link"}