Piston Ring, Engine

Piston ring width
Top 1.5 mm
Intermediate 1.5 mm
Piston ring-to-groove clearance
Top 0.020 - 0.060 mm (0.0008 - 0.0024 in.)
Intermediate 0.020 - 0.060 mm (0.0008 - 0.0023 in.)
Oil control 0.030 - 0.070 mm (0.0012 - 0.0028 in.)