This is a reproduction fuel tank made to fit the 1957 Nomad and Wagon Chevrolet Passenger models (will not fit the 9 passenger and safari wagons). It has a 17 gallon (65 liters) capacity tank. The vent pipe is included. The tank comes with the fuel tank sending unit gasket and O-ring for filler pipe. The lock ring has a 1-5/8 inch gauge hole diameter. The drain plug is also included. The tank measures 34 inches by 14-3/8 inches by 13-1/2 inches.