Piston Ring, Engine

Piston Rings
Piston Ring End Gap - First Compression Ring - Measured inch) Cylinder Bore
Production 0 23-0 44 mm (0.009-0 017 inch)
Service 0.23-0.5 mm (0.009-0.0196 inch)
Piston Ring End Gap - Second Compression Ring - Measured inch) Cylinder Bore
Production 0.44-0.7 mm (0.017-0.027 inch)
Service 0.44-0 76 mm (0.0173-0.03 inch)
Piston Ring End Gap - Oil Control Ring - Measured inch) Cylinder Bore
Production 0.18-0 75 mm (0.007-0.029 inch)
Service 0.18-0 81 mm (0.007-0.032 inch)
Piston Ring-to-Groove Clearance - First Compression Ring
Production 0.04-0.086 mm (0.00157-0.0033 inch)
Service 0.04-0 068 mm (0.00157-0.0033 inch)
Piston Ring-to-Groove Clearance - Second Compression Ring
Production 0.05-0.088 mm (0.002-0.0034 inch)
Service 0.05-0.088 mm (0.002-0.0034 inch)
Piston Ring-to-Groove Clearance - Oil Control Ring
Production -0.008 to +0.176 mm (-0.0003 to +0.0069 inch)
Service -0.008 to +0.176 mm (-0.0003 to +0.0069 inch)