Piston Ring, Engine

Compression Ring

Groove Clearance
Production
Top and 2nd Ring 0.0012"-0.0032"
Service Limit (High Limit Production) 0.001"

Gap
Production
Top Ring 0.0010"-0.0020"
2nd Ring 0.0010"-0.0025"
Service Limit (High Limit Production) 0.010"


Oil Control Ring

Groove Clearance
Production 0.002"-0.007"
Service Limit (High Limit Production) 0.001"

Gap
Production 0.015"-0.055"
Service Limit (High Limit Production) 0.010"