Tank Material: 1/8” 5052-H32 AluminumTank Dimensions: 31.5” x 24” x 10” Taper to 6”Approx Gallons: 23Fuel Fill: 2.25” Ribbed for HoseVent 1: 5/8” Ribbed for Hose Fill VentVent 2: ½” NPT Tank VentFuel Feed: Provision for OEM AC Delco MU2101 Pump (pump not included) Return: 3/8” NPTSending unit Flange: YESBaffles: YES x3Mount Tabs: YES 3 x 3 x 3/16 Angle x2 places*This tank mounts in the stock behind axle location using the stock fill location.* Pictures Show OEM MU21021 Pump Installed. The pump is NOT included.* It is not possible to use the OEM fuel level sensor that is supplied with the pump module. since the tank height is different from stock and is custom built into a pocket the sensor float will hit baffling and will not read the fuel level properly.* Pictures show optional accessories installed.