Piston Ring, Engine

DIMENSIONS
End Gap
Top Ring 0.15-0.30 mm (0.006-0.012 inch)
Second Ring 0.15-0.30 mm (0.006-0.012 inch)
Oil Ring:
Nominal 0.20-0.70 mm (0.08-0.028 inch)
Maximum (Limit) 1.0 mm (0.039 inch)

Ring Clearance, Minimum-Maximum
Compression 0.03-0.65 mm (0.001-0.003 inch)

Ring Clearance, Limit
Compression 0.15 mm (0.006 inch)