Piston Ring, Engine

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