NAME: AIR COMPRESSOR PISTON RING BRAND: JIN LING DIAMETER :42, 47, 48, 51, ... TS16949 OEM is availablePiston ring type: diesel &gas oil engine ,air compressor and engineering machinery gas engine Diameter (mm) : 42, 47, 48 ... , 66, 66.83,67.5,68,70,75,80,82,90,100,105 Nanjing Ruiying Piston Ring Manufacturing Co.,Ltd. If ...