RCI 15 GALLON STREET ROD ALUMINUM FUEL CELL,12", W/SENDING UNIT, GAS TANK,HOT, RACERS CHOICE INC # 2161A 15 Gallon Fuel Cell Tig-welded 5051 strong lightweight aircraft aluminum alloy Measures 30" long x 9" wide x 12" deep Includes a 0 to 90 OHM sending unit Features a 12 bolt, heavy-duty, fill neck with threaded cap; you can remove the cap and install a 1 3/4" hose to use it as a remote fill if desired