1955-1959 Chevy Truck Aluminum Fuel Tank. This kit is designed to allow you to easily move your gas tank from behind the seat and relocate it under the bed between the rear frame rails. Tank has built in baffles and includes roll over valve. Tank comes with sending unit, filler hose, clamps and polished gas cap. Tank hold 16 gallons and measures 28-1/4" wide x 14-1/2" deep x 9" tall. GM 0-30ohm sending unit is standard but can be change to fit your needs.