NPR JAPAN PISTON RING FOR ENGINES YANMARN18 | S185 | M200 | T220 | M220 | T240 MAN B&W26MC | 35MC | 42MC | 50MC | 60MC | 70MC UEC37L | 37H | 45L | 52L | 60L HANSHINEL-30 | EL-32 | EL-35 | EL-38 | EL-40 | EL-44 | LH-28 | LH-41 | LH-46