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 material ... J07C, J08C, P10C-T1, EB400, EP100, P09C-TA, EM100, M10-U, ED100, EG100, EF500, EF550, K13C, EK100, EK200,EF700,EF750, ... 775,105.775, TD71, 120,TD100, 144, 127Toyota piston ring5A, 3ZZ, IS-U, 5K, 2C, 2L-T, 2L-TE, 2KD, ...