All American Billet now offers Fuel Filler Neck and Cap that are CNC machined from 6061-T6 Billet aluminum or 1018 Steel. Each comes with a 6061-T6 Billet aluminum non-vented thread-on cap featuring an O-Ring. Our 1” tall Fuel Tank Weld Bungs have a sleek hourglass shape with a 2” ID and will weld into a 2.57” hole.
Please note: Do not weld with cap installed.