Piston Ring, Engine

Piston Ring (Compression)
Side Clearance (Top Ring) Keystone-Type Ring
Side Clearance (Second Ring) 0.0390 - 0.0790 mm (0.0015 - 0.0052 inch)
Gap (Top Ring) (1-6) 0.2500 - 0.5700 mm (0.0100 - 0.0220 inch)
Gap (Top Ring) (7-8) 0.2900 - 0.6100 mm (0.0120 - 0.0240 inch)
Gap (Second Ring) (1-6) 0.7200 - 1.0300 mm (0.0280 - 0.0410 inch)
Gap (Second Ring) (7-8) 0.7600 - 1.0700 mm (0.0300 - 0.0430 inch)
Piston Ring (Oil)
Side Clearance 0.0400 - 0.0900 mm (0.0016 - 0.0035 inch)
Gap 0.2500 - 0.5100 mm (0.0100 - 0.0200 inch)