Poweka Fuel Tank Switch Valve Petcock for Honda ATC250ES ATC250SX ATC350X TRX250 TRX250X TRX300 TRX300EX TRX200SX Fourtrax 1985 1986 1987 1988 Fit Honda TRX and ATC Series Bikes Nut threading is 18mm x1mm High quality Fuel Switch Petcock Outlet OD is 7mm Hex nut is 24mm