Piston Ring, Engine

Piston ring end gap - top 0.13-0.28 mm (0.0051-0.0111 inch)
Piston ring end gap - intermediate 0.25-0.40 mm (0.0098-0.0157 inch)
Piston ring gap - oil control 0.15-0.65 mm (0.0059-0.0256 inch)
Piston ring width 1.49-1.46 mm (0.0587-0.0575 inch)
Piston ring-to-groove clearance - top 0.030-0.050 mm (0.0012-0.0020 inch)
Piston ring-to-groove clearance - intermediate 0.030-0.080 mm (0.0012-0.0031 inch)