Piston Ring, Engine

Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production
0.23-0.44 mm
0.009-0.017 in

Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service
0.23-0.5 mm
0.009-0.0196 in

Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production
0.44-0.7 mm
0.017-0.027 in

Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service
0.44-0.76 mm
0.0173-0.03 in

Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production
0.18-0.75 mm
0.007-0.029 in

Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service
0.18-0.81 mm
0.007-0.032 in

Piston Ring-to-Groove Clearance - First Compression Ring - Production
0.04-0.085 mm
0.00157-0.00335 in

Piston Ring-to-Groove Clearance - First Compression Ring - Service
0.04-0.085 mm
0.00157-0.00335 in

Piston Ring-to-Groove Clearance - Second Compression Ring - Production
0.04-0.078 mm
0.00157-0.0031 in

Piston Ring-to-Groove Clearance - Second Compression Ring - Service
0.04-0.078 mm
0.00157-0.0031 in

Piston Ring-to-Groove Clearance - Oil Control Ring - Production
0.012-0.2 mm
0.0005-0.0078 in

Piston Ring-to-Groove Clearance - Oil Control Ring - Service
0.012-0.2 mm
0.0005-0.0078 in