NAME: AIR COMPRESSOR PISTON RING BRAND: JIN LING DIAMETER :42, 47, 48, ... TS16949 OEM is availablePiston ring type: diesel &gas oil engine ,air compressor and engineering machinery gas engine Diameter (mm) : 42 ... 70,75,80,82,90,100,105 Nanjing Ruiying Piston Ring Manufacturing Co.,Ltd. If you did not ... the product you want ,we can manufacture the piston ring according to your sample or product draft. ...