Piston Ring, Engine

Piston ring end gap-top compression 0.29 - 0.55 mm (0.011 - 0.021 inch)
Piston ring end gap- intermediate compression 1.40 - 1.66 mm (0.055 - 0.065 inch)
Piston ring end gap-oil control 0.24 - 0.50 mm (0.009 - 0.019 inch)
Piston ring groove width (measured over 2.08 mm (0.082 inch) gauge pins) Upper limit-94.469 mm (3.7192 inch)
Piston ring groove width Replacement limit- (measured over 2.08 mm (0.082 inch) gauge pins) 94.290 mm (3.7122 inch)
Piston ring width
Piston ring-to-groove clearance