This piston ring is suitable for CUMMINS 6CT,diameter 114.00mm, ring height 3.5+3.0+4.0mm 1) Product- piston ring CUMMINS.Good oil saving, wearable, improve initial running-in rust proof2)Serface treatment - Chrome, Special honing, blast sanding, Phosphating, or we can make it as customers' request.3) Material- KV1, K1 and we can use other material as customers' requirement.4)Type:1st ring ...