JE Pistons Ring Sets 1.2-1.2-3mm MOLY - J926F8-4155-5

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, 8 Cyl., File Fit, Each.

Detailed Specifications

• Bore Diameter: 4.155 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 0.118 in. Oil
• Oil Ring Thickness: 0.118 in.
• Top Ring Radial Width: 0.145 in.
• Oil Ring Radial Width: 0.155 in.
• Second Ring Radial Width: 0.156 in.
• Second Ring Axial Height: 1.20 mm
• Top Ring Axial Height: 1.20 mm
• Ring Type: 3 Ring
• Oil Ring Axial Height: 3.00 mm
• Top Ring Shape: Barrel Face, Back Cut, Torsional
• Top Ring Material: Carbon Steel
• Second Ring Material: Ductile Iron
• Second Ring Shape: Napier, Back Cut, Neutral
• Second Ring Facing Material: Phosphate
• Top Ring Facing Material: Plasma Moly