JE Pistons Ring Sets 1.2-1/16-3mm GOLDCUP - J950F8-4030-3

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

• Corrosive resistant coating to enhance oil retention and help prevent scuffing during break in

Specifications: Piston Ring Set, 8 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: 4.030 in.
• File Fit: Yes
• Top Compression Ring Thickness: 0.0472 in.
• Ring Set Thickness: 0.0472 in. Top x 0.0640 in. 2nd x 0.118 in. Oil
• Second Compression Ring Thickness: 0.0640 in.
• Oil Ring Thickness: 0.118 in.
• Oil Ring Radial Width: 0.146 in.
• Top Ring Radial Width: 0.152 in.
• Second Ring Radial Width: 0.187 in.
• Top Ring Axial Height: 1.20 mm
• Second Ring Axial Height: 1/16 in.
• Ring Type: 3 Ring
• Oil Ring Axial Height: 3.00 mm
• Top Ring Shape: Barrel Face, Back Cut, Neutral
• Second Ring Material: Iron
• Second Ring Facing Material: Phosphate
• Top Ring Material: Stainless Steel
• Second Ring Shape: Taper Face, D-wall, Reverse Torsional
• Top Ring Facing Material: Titanium Nitride