... quality piston ring 2.Piston ring manufacturer 3.ISO9002, QS9000, TS16949 4.Different Treatment: Phosphated, Nitrided auto parts engine piston ring for IVECO 120 Remark :1.For IVECO piston ring 2.good ... ,CATERPILLAR,CUMMINS ,FORD ,VOLVO,BMW,Japanese & Korean engine type DAIHATSU,HINO,NISSAN,KOMATSU,TOYOTA,YANMAR,MITSUBUSHI,MAZDA SUZUKI,DAEWOO, ISUZU,KIA,HUYNDAIIf ...