Piston Ring, Engine

Piston Rings
End gap
Top 0.200-0.450 mm (0.008-0.018 inch)
Bottom 0.450-0.700 mm (0.018-0.028 inch)
Ring groove width
Top 1.64-1.66 mm (0.0645-0.0654 inch)
Bottom 1.79-1.81 mm (0.0705-0.0713 inch)
Oil ring 3.5-3.53 mm (0.1378-0.1399 inch)
Ring width
Top 1.578-1.598 mm (0.062-0.063 inch)
Bottom 1.728-1.74 mm (0.068-0.069 inch)
Ring-to-groove clearance
Top 0.050-0.082 mm (0.002-0.003 inch)
Bottom 0.050-0.082 mm (0.002-0.003 inch)