A great looking addition to your vehicle. The U.S. made casting is of show quality A356 aluminum alloy. Available for ’32-’48 Ford and ’28-’65 Chevrolet. Shipped as two parts so that you can align the fins properly. We recommend the use of metal to metal adhesive (not included). Fuel caps are usually just a way to cover the hole – this one makes a statement! Dia.-3-1/8″.