Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Minimum Ring End Gap Compression Ring -
Note: Grade 1, .0098; grade 2, .0110; grade 3, .0122, grade 4, .0134; grade 5, .0150.
Oil Ring -
Note: Grade 1, .0079; grade 2, .0091; grade 3, .0102; grade 4, .0114; grade 5, .0130.