enginepiston ring for Hino 1.Dia from 90mm---139mm 2.Engine Type: W04D,EH700, M10U, EK100, EF750, F17C, EF500-550, KBC, F20C, DS140, EL100, EB300, EB400, EV700, DM100, DQ100, EC100, YJ39, K13C, V21C etc. 3.Remark: 1)For European& American, Korean & Japanese etc. 2)Good quality 3)Competitive price 4)Secure service 5)products: Piston/auto piston ring/engine bearing/cylinder liner/line kits/auto parts. 6)We can develop new items for you especially. Desire our cooperation!