Piston Ring, Engine

Piston Rings
End gap
Top 0.15-0.30 mm (0.0059-0.0118 inch)
Intermediate 0.15-0.30 mm (0.0059-0.0118 inch)
Oil control 0.15-0.30 mm (0.0059-0.0118 inch)
Ring groove width
Top 1.520-1.540 mm (0.0598-0.0606 inch)
Intermediate 1.520-1.540 mm (0.0598-0.0606 inch)
Oil control 3.03-3.055 mm (0.1193-0.1203 inch)
Ring width
Top 1.5 mm (0.05 inch)
Intermediate 1.5 mm (0.05 inch)
Ring-to-groove clearance
Top 0.020-0.060 mm (0.0008-0.0024 inch)
Intermediate 0.020-0.060 mm (0.0008-0.0023 inch)
Oil control 0.030-0.070 mm (0.0012-0.0028 inch)