Piston Ring, Engine

Piston Ring
Ring width
Upper compression ring 0.30-0.50 mm (0.011811-0.019685 inch)
Lower compression ring 0.30-0.50 mm (0.011811-0.019685 inch)
Oil control ring 0.40-1.40 mm (0.015748-0.055118 inch)
Ring groove width
Upper compression ring 1.484 mm (0.058425 inch)
Lower compression ring 1.734 mm (0.0682675 inch)
Oil control ring 2.905 mm (1.1143698 inch)