Piston Ring, Engine

Ring End Gap - Top Ring-Standard 0.20-0.35 mm (0.0079-0.0137 inch)
Ring End Gap - Top Ring-Maximum 0.07 mm (0.0276 inch)
Ring End Gap - Lower Ring-Standard 0.35-0.50 mm (0.0138-0.0196 inch)
Ring End Gap - Lower Ring-Maximum 0.07 mm (0.0276 inch)
Ring End Gap - Oil Ring-Standard 0.20-0.70 mm (0.0079-0.0275 inch)
Ring End Gap - Oil Ring-Maximum 1.8 mm (0.0709 inch)
Ring Groove Clearance - Lower Compression Ring 0.020-0.060 mm
(0.0008-0.0023 inch)
Ring Groove Clearance - Upper Compression Ring 0.030-0.070 mm
(0.0012-0.0027 inch)