This is a reproduction fuel tank made to fit the 1968-70 El Camino and Malibu (Pickup). It has a 20 gallon (76 liters) capacity tank. It comes with the side filler neck, the side filler neck hole, 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.