Ring End Gap
Ring end gap
Compression Ring
1st ring
Standard 0.300 mm - 0.400 mm (0.0118 inch - 0.0157 inch)
Limit 1.0 mm (0.0394 inch)
2nd ring
Standard 0.450 mm - 0.600 mm (0.0177 inch - 0.0236 inch)
Limit 1.2 mm (0.0472 inch)
Oil ring
Standard 0.150 mm - 0.450 mm (0.0059 inch - 0.0177 inch)
Limit 1.05 mm (0.0413 inch)