Aitook AIT-PT1918 Fuel Tank Switch Valve Petcock Honda TRX300FW Fourtrax Fits Honda Models: 1988-2000 Fourtrax 300 ATV Replaces Honda part number: 16950-MY6-791, 16950-MY6-791, 16950-HA8-005, 16950-HC4-670, 16950-MY6-670 Petcock thread size = M18x1(18x1mm) / 24mm hex nut / Petcock positions: ON-RES-OFF Package Includes: Petcock switch, Fuel filter pipe with screens, O-ring seal Please refer images we provided for measurements, Read product details for more information