Piston Ring, Engine

Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production 0.20 - 0.41 mm (0.008 - 0.016 inch)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service 0.20 - 0.41 mm (0.008 - 0.016 inch)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production 0.37 - 0.69 mm (0.015 - 0.027 inch)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service 0.37 - 0.69 mm (0.015 - 0.027 inch)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production 0.22 - 0.79 mm (0.009 - 0.031 inch)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service 0.22 - 0.79 mm (0.009 - 0.031 inch)
Piston Ring to Groove Clearance - First Compression Ring - Production 0.030 - 0.10 mm (0.0012 - 0.0040 inch)
Piston Ring to Groove Clearance - First Compression Ring - Service 0.030 - 0.10 mm (0.0012 - 0.0040 inch)
Piston Ring to Groove Clearance - Second Compression Ring - Production 0.035 - 0.078 mm (0.0014 - 0.0031 inch)
Piston Ring to Groove Clearance - Second Compression Ring - Service 0.035 - 0.078 mm (0.0014 - 0.0031 inch)
Piston Ring to Groove Clearance - Oil Control Ring - Production 0.013 - 0.201 mm (0.0005 - 0.0079 inch)
Piston Ring to Groove Clearance - Oil Control Ring - Service 0.013 - 0.201 mm (0.0005 - 0.0079 inch)