Piston Ring, Engine

PISTON RINGS
Ring Gap
Top Compression-Ring 0.20-0.36 mm 0.0079-0.0142 inch
Second Compression Ring 0.37-0.63 mm 0.0146-0.0249 inch
Oil Control (Steel Rails) 0.25-0.76 mm 0.0099-0.30 inch
Side Clearance
Top Compression Ring 0.051-0.094 mm 0.0020-0.0037 inch
Second Compression Ring 0.040-0.080 mm 0.0016-0.0031 inch
Oil Ring (Steel Ring) 0.019-0.229 mm 0.0007-0.0091 inch
Ring Width
Top Compression Ring 1.472-1.490 mm 0.057-0.058 inch
Second Compression Ring 1.472-1.490 mm 0.057-0.058 inch
Oil Ring (Steel Rails) 0.445-0.470 mm 0.017-0.018 inch