Piston Ring, Engine

Piston Ring End Gap
Top: 0.15 - 0.25 mm (0.0060 - 0.0098 inch)
Second: 0.25 - 0.35 mm (0.0099 - 0.0137 inch)
Oil: 0.20 - 0.70 mm (0.0079 - 0.0275 inch)
Maximum: 1.0 mm (0.0394)

Ring Diameter 20.987 - 20.993 mm (0.8263 - 0.8264 inch)