Savior Gas Tank Fuel Switch Valve Pump Petcock for Chinese Gasoline Generator 5.5HP 6.5HP 7HP 8HP 9HP 11HP 13HP 14HP 15HP 16HP 168F 163CC 196CC 170F 208CC 211CC 173F 177F 182F 188F 190F (16mm x 1.5mm) High quality fuel tank switch valve Nut threading 16mm x 1.5mm 22mm hex nut