Aitook AIT-PT1915 Petcock Honda ATC350X Fuel Tank Petcock Valve Fits Honda Models: 1985 ATC350X, 1986 ATC350X Replaces Honda part number: 16950-HA5-005 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