JE Pistons Ring Sets 1.2-1.2-2.8-78.00 - JC42F4-3071

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

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

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

Detailed Specifications

• Bore Diameter: 3.071 in.
• File Fit: Yes
• Third Ring Facing Material: Carbon Steel
• Third Ring Material: Carbon Steel
• Third Ring Shape: Full Seal, Flex Vent
• Second Compression Ring Thickness: 0.0472 in.
• Top Compression Ring Thickness: 0.0472 in.
• Ring Set Thickness: 0.0472 in. Top x 0.0472 in. 2nd x 0.110 in. Oil
• Oil Ring Thickness: 0.110 in.
• Top Ring Radial Width: 0.123 in.
• Second Ring Radial Width: 0.126 in.
• Oil Ring Radial Width: 0.130 in.
• Top Ring Axial Height: 0.80 mm
• Second Ring Axial Height: 1.20 mm
• Oil Ring Axial Height: 2.80 mm
• Ring Type: 3 Ring
• Top Ring Shape: Barrel Face, Back Cut, Neutral
• Top Ring Material: Carbon Steel
• Top Ring Facing Material: Chrome
• Second Ring Facing Material: Phosphate
• Second Ring Shape: Taper Face, Back Cut, Reverse Torsional