piston ring suitable for MACK.
our factory also produce auto water pump and truck water pump

piston ring suitable for MACK 

1)123.85*3.15+3.15+3+4.75

2)1st ,2nd rings is special chrome 

3)packing:as customer's request.

4)certification:TS16949

5)we are also manufacture for auto water pump and truck water pump