Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Piston Ring Groove Depth Top Compression 0.158-0.163 Inch (in)
2nd Compression 0.0166-0.171 Inch (in)
Oil Control 0.150-0.155 Inch (in)
Piston Ring End Gap Top Compression 0.010-0.018 Inch (in)
2nd Compression 0.023-0.033 Inch (in)
Oil Control 0.010-0.030 Inch (in)
Piston Ring Side Clearance Top Compression 0.0013-0.0031 Inch (in)
2nd Compression 0.0013-0.0031 Inch (in)
Oil Control 0.0009-0.0079 Inch (in)
Piston Ring Width Top Compression 0.0463-0.0471 Inch (in)
2nd Compression 0.0581-0.0589 Inch (in)
Oil Control 0.073-0.079 Inch (in)