{"product_id":"6833-4100-392-6-4-small-block-mopar-hemi-gen-iii-fx-series-12cc-dish-top-gen-iii-hemi-forged-piston-set-4-100-inch-bore-pin-dia-0-945-comp-height-1-21","title":"DSS Racing FX Series Forged Piston Set 4.100\" Bore: Fits Chrysler \/ Dodge \/ Jeep \/ Ram 6.4L 392","description":"\u003ch3\u003eDSS Racing FX Series Forged Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 6.4L 392 Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6833-4100 \/ 2-6833-4100 \/ 3-6833-4100 \/ K1-6833-4100 \/ K2-6833-4100 \/ K3-6833-4100\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 Chrysler, Dodge, Jeep, and Ram 6.4L 392 HEMI engines. Designed to replace factory pistons with a high-performance upgrade, these forged pistons provide enhanced strength, durability, and reliability under extreme conditions. Ideal for enthusiasts and professional builders looking to maximize engine output and longevity, this piston set supports both street and track applications.\u003c\/p\u003e\u003cp\u003eBuilt to exacting standards, these pistons are compatible with the 393 Small Block Mopar HEMI Gen III platform and feature a 4.100\" bore size. They are designed to maintain optimal compression ratios while accommodating various combustion chamber volumes, making them versatile for different build goals.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DSS Racing FX Series pistons incorporate advanced design elements and precision manufacturing to deliver superior performance and reliability:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged construction for maximum strength and resistance to high-stress conditions\u003c\/li\u003e\n\u003cli\u003e4.100\" bore size tailored for most 6.4L 392 HEMI engines\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for optimal piston-to-deck clearance\u003c\/li\u003e\n\u003cli\u003e12cc dish top design to control compression and support various combustion chamber sizes\u003c\/li\u003e\n\u003cli\u003e.945\" wrist pin diameter with options for full-floating or press-fit configurations\u003c\/li\u003e\n\u003cli\u003eRing groove dimensions: 1.2mm top and second rings, 3mm oil ring for effective sealing and oil control\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.720\" stroke and 6.2\" connecting rods, matching factory and aftermarket setups\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple combustion chamber volumes (65cc, 74cc, 85cc) to achieve compression ratios from 8.62:1 up to 10.39:1\u003c\/li\u003e\n\u003cli\u003ePrecision balanced and machined for consistent performance and longevity\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCrafted from high-grade forged aluminum alloy, the DSS Racing FX Series pistons offer superior strength-to-weight ratio compared to cast pistons. The forging process enhances grain structure, providing increased resistance to thermal and mechanical stress. The pistons feature a carefully engineered dish top design with a -12cc volume to optimize combustion efficiency and reduce detonation risk.\u003c\/p\u003e\u003cp\u003eThe wrist pin bore is designed to accommodate either full-floating or press-fit pins, allowing flexibility depending on engine build preferences. Ring grooves are precision-machined to ensure proper ring seating and sealing, contributing to improved oil control and reduced blow-by. The pistons are designed to work seamlessly with the 6.4L 392 HEMI’s 3.720\" stroke crankshaft and 6.2\" rods, maintaining factory geometry and clearances.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is engineered as a direct fit replacement for most Chrysler, Dodge, Jeep, and Ram 6.4L 392 HEMI engines. Installation requires standard engine assembly procedures, including proper ring end gap setting, wrist pin installation, and piston orientation. Depending on the wrist pin option selected (full-floating or press-fit), minor adjustments to assembly technique may be necessary.\u003c\/p\u003e\u003cp\u003eThese pistons are compatible with factory and aftermarket components designed for the 393 Small Block Mopar HEMI Gen III platform, making them suitable for rebuilds, performance upgrades, and custom engine builds without extensive modifications.\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 (4.100\" bore)\u003c\/li\u003e\n\u003cli\u003eWrist pins (.945\") with options for full-floating or press-fit installation\u003c\/li\u003e\n\u003cli\u003ePrecision-machined piston rings (1.2mm top and second rings, 3mm oil rings)\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 who demand reliable, high-strength components for their 6.4L 392 HEMI-powered Chrysler, Dodge, Jeep, or Ram vehicles. Whether upgrading a street engine for increased power and durability or building a race-ready powerplant, these forged pistons provide the foundation for enhanced performance and engine longevity.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381018214612,"sku":"1-6833-4100","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381018247380,"sku":"2-6833-4100","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":47381018280148,"sku":"3-6833-4100","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":47381018312916,"sku":"K1-6833-4100","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":47381018345684,"sku":"K2-6833-4100","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":47381018378452,"sku":"K3-6833-4100","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002057_4_3a1ebeac-6d0b-4d03-9c80-e3efc66bb01e.webp?v=1771666998","url":"https:\/\/fasthemis.com\/products\/6833-4100-392-6-4-small-block-mopar-hemi-gen-iii-fx-series-12cc-dish-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"}