Piston Ring 1.Engine piston ring, auto piston ring 2.Different treatment:Phosphated, Nitrided etc. 3.ISO9002,QS9000,TS16949 Piston Ringpiston ring for Isuzu 4JB1:1.piston ring ... , 4HG1, 4JH1, 10PC1, DH100,6SD1, 6SD1-T, 6QA1, 6RB1, E120, 6RB1-T, 6RB1-TCMitsubishi piston ring4G42, 4G32, 4G62, 4G67, 4G64, 4D55T ... TD71, 120,TD100, 144, 127Toyota piston ring5A, 3ZZ, IS-U, 5K, 2C, 2L-T, 2L-TE, 2KD, 1HZ, B, ...