Operation CHARM: Car repair manuals for everyone.

Piston Ring Gap & Groove Clearance

Piston Ring End Gap Top Ring (Standard) 0.0079 - 0.0137 Inch (in)
Top Ring (Maximum Limit) 0.0275 Inch (in)
Lower Ring (Standard) 0.0079 - 0.0137 Inch (in)
Lower Ring (Maximum Limit) 0.0275 Inch (in)
Oil Ring (Standard) 0.0079 - 0.0275 Inch (in)
Oil Ring (Maximum Limit) 0.0669 Inch (in)
Piston Ring Groove Clearance Upper Compression Ring 0.0012 - 0.0027 Inch (in)
Lower Compression Ring 0.0008 - 0.0023 Inch (in)