Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Piston ring end gap - top 0.15-0.38 mm (0.006-0.015 inch)
Piston ring end gap - intermediate 0.25-0.50 mm (0.0098-0.0197 inch)
Piston ring end gap - oil control 0.15-0.65 mm (0.0059-0.0256 inch)
Piston ring groove width - top 1.503-1.505 mm (0.0592-0.0593 inch)
Piston ring groove width - intermediate 1.502-1.504 mm (0.0591-0.0592 inch)
Piston ring groove width - oil control 3.030-3.050 mm (0.1193-0.1201 inch)
Piston ring width 1.5-1.47 mm (0.0591-0.0579 inch)
Piston ring-to-groove clearance - top 0.033-0.005 mm (0.0013-0.0002 inch)
Piston ring-to-groove clearance - intermediate 0.033-0.005 mm (0.0012-0.0031 inch)