NAME: AIR COMPRESSOR PISTON RING BRAND: JIN LING DIAMETER :42, 47, 48, 51, 52, 54, 55,61.9, 62, 64 , 65, 66, 66.83,67.5,68,75 top qualitycompetitive pricebest servicefast delivery timeQuality Certificate:GB/T19001-2000 ISO9001:2000 TS16949 OEM is availablePiston ring type: diesel &gas oil engine ,air compressor and engineering machinery gas engine Diameter (mm) : 42, 47, 48, 51, 52, 54, 55,61.9, ...