{"product_id":"6847-4075-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-075-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set: Fits Dodge \/ Chrysler \/ Jeep 6.1L Gen III Hemi","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 6.1L SRT8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6847-4075D \/ 2-6847-4075D \/ 3-6847-4075D \/ K1-6847-4075D \/ K2-6847-4075D \/ K3-6847-4075D\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 the 6.1L Gen III Hemi engines found in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models. Designed to handle high-performance demands, these pistons offer enhanced strength and durability over stock cast pistons, making them an excellent upgrade for enthusiasts seeking improved engine reliability and power potential. Whether you are building a street performance engine or a track-focused powerplant, these forged pistons provide the foundation for consistent, high-output operation.\u003c\/p\u003e\u003cp\u003eWith a compact dome top design and precise dimensions tailored to the 373 Small Block Mopar Hemi Gen III, this piston set ensures optimal combustion chamber volume and compression ratios, supporting a variety of tuning and build configurations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese DSS Racing forged pistons incorporate advanced engineering and materials to deliver superior performance and longevity. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for enhanced strength and resistance to detonation\u003c\/li\u003e\n\u003cli\u003eFX Series design optimized for the 6.1L Gen III Hemi engine architecture\u003c\/li\u003e\n\u003cli\u003eCompact dome top with +4cc volume to support various compression ratios\u003c\/li\u003e\n\u003cli\u003ePin diameter of .927\" compatible with full-floating or press-fit wrist pins\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions of 1.2mm \/ 1.2mm \/ 3mm for reliable ring sealing\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.578\" and rod length of 6.243\" for precise fitment\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple dome volumes (65cc, 74cc, 85cc) to tailor compression ratios from approximately 9.54 to 12.0\u003c\/li\u003e\n\u003cli\u003eDesigned to fit most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 models without modification\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDSS Racing utilizes premium forged aluminum alloy in the FX Series pistons, delivering a lightweight yet incredibly robust component capable of withstanding the high cylinder pressures typical of performance Hemi engines. The pistons feature a carefully engineered dome shape that optimizes combustion efficiency and supports a range of compression ratios to suit different power goals and fuel types.\u003c\/p\u003e\u003cp\u003ePrecision machining ensures tight tolerances for ring grooves and pin bores, contributing to reduced friction and improved sealing. The pistons are compatible with both full-floating and press-fit wrist pins, allowing flexibility in engine assembly preferences.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons are designed as direct replacements for the factory pistons in most Chrysler, Dodge, Jeep, and Ram 6.1L SRT8 engines, requiring no custom modifications for proper installation. Their dimensions and design maintain factory clearances and compatibility with existing rods and cylinder bores, simplifying the rebuild or upgrade process.\u003c\/p\u003e\u003cp\u003eProfessional installation is recommended to ensure correct ring end gap, piston orientation, and torque specifications are met for 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 DSS Racing FX Series pistons (quantity as per engine requirements)\u003c\/li\u003e\n\u003cli\u003eCompatible wrist pin options (full-floating or press-fit, depending on selection)\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\u003eThis piston set is ideal for performance enthusiasts, engine builders, and racers upgrading or rebuilding their 6.1L Gen III Hemi engines. It suits applications ranging from street performance and daily driving to high-output track and drag racing builds where increased strength, reliability, and compression tuning flexibility are essential.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381005140180,"sku":"1-6847-4075D","price":739.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381005172948,"sku":"2-6847-4075D","price":769.95,"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":47381005205716,"sku":"3-6847-4075D","price":959.95,"currency_code":"USD","in_stock":true},{"title":"FX-1 4032 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381005238484,"sku":"K1-6847-4075D","price":937.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins - Locs With DSS Racing Rings in a Kit","offer_id":47381005271252,"sku":"K2-6847-4075D","price":967.95,"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":47381005304020,"sku":"K3-6847-4075D","price":1147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002112_4_c74d274d-51cb-417b-81a1-102eef003f46.webp?v=1771667021","url":"https:\/\/fasthemis.com\/products\/6847-4075-6-1-small-block-mopar-hemi-gen-iii-fx-series-4cc-dome-top-gen-iii-hemi-forged-piston-set-4-075-inch-bore-pin-dia-0-927-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}