JE Pistons Ring Set – 3.937 in. Bore – 0.0472 in. Top / 0.0472 in. 2nd / 0.098 in. Oil – 4 Cyl.

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.

Bore Diameter    
100.00|3.937 MM

Ring Type    
3 Ring

File Fit    
Yes

Top Ring Axial Height    
0.95 MM

Top Ring Radial Width    
0.150 IN

Top Compression Ring Thickness    
0.0472 IN

Top Ring Facing Material    
Nitride

Top Ring Material    
Carbon Steel

Top Ring Shape    
Barrel Face, Back Cut, Torsional

Second Ring Axial Height    
1.20 MM

Second Ring Radial Width    
0.165 IN

Second Compression Ring Thickness    
0.0472 IN

Second Ring Material    
Iron

Second Ring Shape    
Napier, Back Cut, Neutral

Oil Ring Axial Height    
2.50 MM

Oil Ring Radial Width    
0.116 IN

Oil Ring Thickness    
0.098 IN

Third Ring Facing Material    
Carbon Steel

Third Ring Material    
Carbon Steel

Third Ring Shape    
SS50U Style

Ring Set Thickness    
0.0472 in. Top x 0.0472 in. 2nd x 0.098 in. Oil

Product Type    
Engine Piston Ring Set