Now you can make that old gas tank filler neck and cap go away with these easy flush mount gas door kits. Just select the style that would best fit to the surface and choose the design of the gas door with the hinge mount on the left or right side. These have a fuel spout that is 2" OD to accept a 2" ID fuel hose of your choice. Can be mounted in steel or fiberglass. Check out Hagan Curve Series Fuel Door Kits today at Speedway Motors!