Piston Ring, Engine

PISTON RINGS
Ring Gap
Top Compression Ring 0.229 - 0.610 mm (0.0090 - 0.0240 inch)
Second Compression Ring 0.483 - 0.965 mm (0.0190 - 0.0380 inch)
Oil Control (Steel Rails) 0.254 - 1.500 mm (0.010 - 0.060 inch)
Side Clearance
Top Compression Ring 0.042 - 0.084 mm (0.0017 - 0.0033 inch)
Second Compression Ring 0.042 - 0.084 mm (0.0017 - 0.0033 inch)
Oil Ring (Steel Ring) 0.06 - 0.21 mm (0.0024 - 0.0083 inch)