J640F4-3307 JE Pistons Piston Rings

Piston Ring Set, 4 Cyl., File Fit, 0.0591 in. Ductile Iron Plasmy Moly Top Ring, 0.0591 in. Iron Phosphate Second Ring, 0.1575 in. Carbon Steel Chrome Standard Tension Oil Ring, Each..

JE Piston Rings are designed to maximize horsepower through precision sealing of combustion pressure. They are offered in a huge selection of sizes, various materials, and in multiple thicknesses to suit a wide variety of engines. JE Pistons also offers an array of custom piston ring services including back cutting, dyke cutting, lapping, grinding, and PVD coating. These services, the same used by top NHRA Pro Stock and NASCAR teams, are now available to the public and offer tremendous gains in durability, power through reduced friction, and improved ring seal.

Features:

• Highest quality ductile iron top ring with plasma-moly inlay
• combined with standard or low tension oil rings
• Taper faced reverse torsional second rings

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