Piston Ring: Specifications

Ring End Gap - Lower Ring - Maximum 1.20 mm (0.0472 in)
Ring End Gap - Lower Ring - Standard 0.35-0.50 mm (0.0138-0.0197 in)
Ring End Gap - Oil Ring - Maximum 1.05 mm (0.0413 in)
Ring End Gap - Oil Ring - Standard 0.15-0.40 mm (0.0059-0.0157 in)
Ring End Gap - Top Ring - Maximum 1.05 mm (0.0413 in)
Ring End Gap - Top Ring - Standard 0.25-0.35 mm (0.0098-0.0138 in)
Ring Groove Clearance - Lower Compression Ring 0.030-0.070 mm (0.0012-0.0028 in)
Ring Groove Clearance - Upper Compression Ring 0.020-0.070 mm (0.0009-0.0028 in)