Operation CHARM: Car repair manuals for everyone.

Piston Ring Gap & Groove Clearance

Compression Ring End Gap Measured In Cylinder Bore Top Groove Production 0.010-0.016
Service MAX 0.19
Second Groove Production MAX 0.018-0.026
Service MAX 0.31
Compression Ring Groove Clearance Top Groove Production 0.0012-0.0027
Second Groove Production 0.0015-0.0031
Service MAX 0.0033
Oil Ring Gap Production 0.010-0.029
Service MAX 0.035
Oil Ring Grove Clearance Production 0.0018-0.0037
Clearance MAX 0.0039