This stock style replacement gas tank for 1948-1952 Ford F1 pickups mounts on the inside of your cab behind the seat, 20 gallon capacity ensures plenty of fuel for long trips, Gravity feed 1/2"-20 female straight threaded bottom fuel feed connection just like OEM tanks, Accepts 6-hole fuel level sending units, Adapter 458500 can be used to convert to aftermarket 5 bolt style fuel level sending units.