JE Pistons J68008-4145-5 JE Pistons Ring Set - 4.145 in. Bore - 0.0591 in. Top / 0.0591 in. 2nd / 0.118 in. Oil - 8 Cyl

Piston Ring Set, 8 Cyl., File Fit, 0.0591 in. Carbon Steel Plasma Moly Top Ring, 0.0591 in. Iron Phosphate Second Ring, 0.1181 in. Carbon Steel Chrome Low Tension Oil Ring, Each.

Piston Ring Set, 8 Cyl., File Fit, 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 and Benefits: High strength alloy steel top ring provides superior bore conformity; optional 2nd ring Napier hook profile design helps improve oil control and effeciency; outstanding seal and wear characteristics of a high velocity plasma moly inlay coating; reduced ring radials and short axial heights help minimize cylinder wall drag; top ring weighs under 10 grams