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Piston Ring: Specifications

Piston Rings
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production 0.20-0.41 mm (0.008-0.016 in)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service 0.20-0.41 mm (0.008-0.016 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production 0.37-0.69 mm (0.015-0.027 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service 0.37-0.69 mm (0.015-0.027 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production 0.22-0.79 mm (0.009-0.031 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service 0.22-0.79 mm (0.009-0.031 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Production 0.030-0.10 mm (0.0012-0.0040 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Service 0.030-0.10 mm (0.0012-0.0040 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)