Piston Ring, Engine

Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production 0.20-0.41 mm (0.0079-0.0161 in)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service 0.20-0.46 mm (0.0079-0.0181 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production 0.37-0.69 mm (0.0146-0.0272 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service 0.37-0.75 mm (0.0146-0.0295 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production 0.22-0.79 mm (0.0086-0.0311 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service 0.22-0.84 mm (0.0086-0.0331 in)

Piston Ring-to-Groove Clearance - First Compression Ring - Production 0.04-0.083 mm (0.0016-0.0033 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Service 0.04-0.083 mm (0.0016-0.0033 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Production 0.035-0.078 mm (0.0014-0.0031 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Service 0.035-0.078 mm (0.0014-0.0031 in)
Piston Ring-to-Groove Clearance - Oil Control Ring - Production 0.013-0.201 mm (0.0005-0.0079 in)
Piston Ring-to-Groove Clearance - Oil Control Ring - Service 0.013-0.201 mm (0.0005-0.0079 in)