... for MITSUBISHI, 8DC9 the size is as follow :: 135mm*3.306+3+3+4, the material: nodular iron ,cast iron piston ... ring for MITSUBISHI, 8DC9the size is as follow :135mm*3.306+3+3+4 ,8cylinder a set, 4 pieces/cylinderthe material ... you in advance. Piston Ring for Mitsubishi 8DC9,135mm*3.306+3+3+4