Piston Ring, Engine
PistonRing end gap
Top 0.15 - 0.30 mm (0.006 - 0.012 inch)
Intermediate 0.25 - 0.50 mm (0.0098 - 0.0197 inch)
Oil control 0.15 - 0.65 mm (0.0059 - 0.0256 inch)
Ring groove width
Top 1.52 - 1.55 mm (0.0598 - 0.0610 inch)
Intermediate 1.52 - 1.54 mm (0.0598 - 0.0606 inch)
Oil control 3.030 - 3.050 mm (0.1193 - 0.1201 inch)
Ring width
Top and intermediate 1.50 - 1.47 mm (0.0590 - 0.0578 inch)
Ring-to-groove clearance
Top 0.020 - 0.080 mm (0.0008 - 0.0031 inch)
Intermediate 0.030 - 0.070 mm (0.0012 - 0.0028 inch)