JE Pistons Ring Sets 1.5-1.5-4mm RINGSET - J630F4-3780

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 & Benefits

• Hard, wear resistant surface
• Barrel faced ring face maintains a very low coefficient of friction

Specifications: Piston Ring Set, 4 Cyl., File Fit, Each.

Detailed Specifications

• Third Ring Facing Material: Carbon Steel
• Third Ring Material: Carbon Steel
• Third Ring Shape: Full Seal, Flex Vent
• Bore Diameter: 3.780 in.
• File Fit: Yes
• Second Compression Ring Thickness: 0.0591 in.
• Top Compression Ring Thickness: 0.0591 in.
• Ring Set Thickness: 0.0591 in. Top x 0.0591 in. 2nd x 0.158 in. Oil
• Oil Ring Radial Width: 0.140 in.
• Oil Ring Thickness: 0.158 in.
• Second Ring Radial Width: 0.165 in.
• Top Ring Radial Width: 0.165 in.
• Top Ring Axial Height: 0.95 mm
• Second Ring Axial Height: 1.50 mm
• Ring Type: 3 Ring
• Oil Ring Axial Height: 4.00 mm
• Top Ring Material: Ductile Iron
• Top Ring Shape: Flat Face, Torsional
• Second Ring Material: Iron
• Second Ring Facing Material: Phosphate
• Top Ring Facing Material: Plasma Moly
• Second Ring Shape: Taper Face, D-wall, Reverse Torsional