This is a reproduction fuel tank made to fit the 1970 Chevelle and Malibu (except station wagons). It has a 20 gallon (76 liters) capacity tank. It comes with a filler neck, the fuel tank sending unit lock ring and O-ring. The lock ring has a 1-3/4 inch gauge hole diameter. The vent pipe is not included. The tank measures 39-1/4 inches by 24-1/2 inches by 7-3/4 inches.