{"product_id":"6710-3917-5-7-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-3-917-inch-bore-pin-dia-0-927-comp-height-1-21","title":"DSS Racing FX Series Forged Flat Top Piston Set 3.917\" Bore: Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi","description":"\u003ch3\u003eDSS Racing FX Series Forged Flat Top Piston Set\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e1-6710-3917 \/ 2-6710-3917 \/ 3-6710-3917 \/ K1-6710-3917 \/ K2-6710-3917 \/ K3-6710-3917\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 Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 5.7L Hemi engine. Designed to meet the demands of high-performance applications, these pistons offer superior strength and durability compared to stock cast pistons. Ideal for enthusiasts and professional builders looking to enhance engine reliability and power output, this piston set is a direct fit for most 5.7L Hemi Gen III engines, including the 345 Small Block Mopar Hemi.\u003c\/p\u003e\u003cp\u003eWith a 3.917\" bore size and a flat top design featuring a -1.5cc dish, these pistons provide an optimal balance of compression and combustion efficiency. Their forged construction ensures they can withstand the rigors of boosted, nitrous, or naturally aspirated high-performance setups.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pistons incorporate advanced engineering and materials to deliver exceptional performance and longevity. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision forged from high-strength aluminum alloy for maximum durability\u003c\/li\u003e\n\u003cli\u003eFlat top design with a -1.5cc dish to optimize compression ratios and combustion\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.917\" bore engines, fitting most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi models\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 top and second rings, 3mm oil ring for effective sealing\u003c\/li\u003e\n\u003cli\u003eComp height of 1.21\" for precise piston-to-deck clearance and performance tuning\u003c\/li\u003e\n\u003cli\u003eStroke compatibility of 3.578\" and connecting rod length of 6.243\" for balanced engine geometry\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple compression ratio options: approximately 10.44:1 (65cc), 9.42:1 (74cc), and 8.45:1 (85cc) to suit various build goals\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 to manufacture these pistons, ensuring superior strength and resistance to thermal and mechanical stress. The flat top design with a slight dish (-1.5cc) is engineered to optimize combustion chamber dynamics for improved power and efficiency. The pistons are CNC-machined to exacting tolerances, providing consistent fitment and performance across all cylinders.\u003c\/p\u003e\u003cp\u003eThe pin bore supports either full-floating or press-fit wrist pins, allowing builders to select the best option for their application. Ring grooves are precisely cut to accommodate high-performance piston rings, ensuring excellent sealing and oil control under demanding conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston set is designed as a direct replacement for most Chrysler, Dodge, Jeep, and Ram 5.7L Hemi Gen III engines with a 3.917\" bore. Installation requires standard engine assembly procedures and may involve professional machining to ensure proper clearances and fitment. The pistons are compatible with a 3.578\" stroke crankshaft and 6.243\" connecting rods, matching factory or aftermarket components commonly used in these engines.\u003c\/p\u003e\u003cp\u003eBuilders should verify compression ratio requirements and select the appropriate piston variant to match their cylinder head and combustion chamber specifications.\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 pin options: full-floating or press-fit (depending on selected SKU)\u003c\/li\u003e\n\u003cli\u003eDetailed specifications for bore size, compression height, and ring groove dimensions\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 Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi engines. Whether building a naturally aspirated street machine, a boosted drag racer, or a high-output off-road vehicle, these forged pistons provide the strength and precision needed to handle increased power levels and demanding conditions.\u003c\/p\u003e","brand":"DSS Racing","offers":[{"title":"FX-1 4032 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381041053908,"sku":"1-6710-3917","price":689.95,"currency_code":"USD","in_stock":true},{"title":"FX-2 2618 Alloy \/ Pistons - Pins and Locs Without Rings","offer_id":47381041086676,"sku":"2-6710-3917","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":47381041119444,"sku":"3-6710-3917","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":47381041152212,"sku":"K1-6710-3917","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":47381041184980,"sku":"K2-6710-3917","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":47381041217748,"sku":"K3-6710-3917","price":1087.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0001960_4_98403b24-5c2f-4bbe-9581-d9a6dcbd9cdc.webp?v=1771667123","url":"https:\/\/fasthemis.com\/products\/6710-3917-5-7-small-block-mopar-hemi-gen-iii-fx-series-1-5cc-flat-top-gen-iii-hemi-forged-piston-set-3-917-inch-bore-pin-dia-0-927-comp-height-1-21","provider":"FastHemis","version":"1.0","type":"link"}