GOOFIT 2 Pin Oxygen Sensor Replacement for GY6 Engine 169cc 170cc EFI Jonway GTX 250 EFI 200

Thread diameter:12mm/0.47";wire length:325mm/12.8". Made of high quality material,it can withstand the high temperature and high pressure working environment of the engine and provide accurate oxygen concentration monitoring.provide accurate air-fuel ratio data for the engine to optimize combustion efficiency. Please check the model number,size,and picture before ordering to make sure this is the correct part. Package including:sensor x 1pc,GOOFIT keychain x 1pc.