Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

DIMENSIONS
Ring Gap - Compression Ring
Top 0.25-0.41 mm (0.00098-0.00161 Inch)
Bottom 0.38-0.64 mm (0.00149-0.0025 Inch)
Oil Ring 0.15-165 mm (0.0059-0.0064 Inch)