Operation CHARM: Car repair manuals for everyone.

Piston Ring

Compression Ring (Top) to Ring Groove Clearance 0.0015 - 0.0032 Inch (in)
Compression Ring (Bottom) to Ring Groove Clearance 0.0023 - 0.0035 Inch (in)
Ring Width Compression (Top) 0.0578 - 0.0582 Inch (in)
Compression (Bottom) 0.0574 - 0.0586 Inch (in)
Oil Ring Side Seal (Snug Fit)
Service Limit
Side Clearance
0.006 Inch (in)
MAX
Ring Gap Compression (Top) 0.010 - 0.030 Inch (in)
Compression (Bottom) 0.010 - 0.030 Inch (in)
Oil ring (Steel Rail) 0.016 - 0.066 Inch (in)
Side Clearance 1st Ring 0.0015 - 0.0032 Inch (in)
2nd Ring 0.0015 - 0.0035 Inch (in)