Retro-styled positive locking cap mechanism goes well with any body style. Cap is constructed of 6061 billet aluminum with a bright machined finish. Stainless steel pivot pins and Allen head cap screw hardware. Cap assembly bolts to any flat body panel after drilling 1.5-inch fill hole and 8 mounting holes. Fuel fill cap is hinged to filler body; never leave a gas cap behind again! Uses standard 1.5-inch fuel filler hose, allowing remote fill of any fuel tank. Small size fits most any application, from T-bucket to fat fender to pickup truck. Sealed cap design eliminates fuel spilage. Manufactured in house at Speedway Motors in Lincoln, NE. Quick And Easy Fuel Fill Solution for Custom Mounted Fuel Tanks Relocating a fuel tank for suspension or other chassis modifications often leaves one scratching their heads how to add fuel to said tank once the body is in place. A remote fuel fill is generally the only option, and our small locking gas cap is the perfect solution. This cap can bolt to any flat body panel, where the retro-inspired positive locking mechanism is sure to turn heads. High-quality 6061 billet aluminum construction with a bright machined finish along with stainless steel pins and Allen head cap screw mounting hardware means that this piece is built to last and looks good doing it. Mounts to Any Flat Body Panel to Solve Your Fuel Filler Issues Our positive locking cap design means never leaving your fuel filler cap behind at a gas station ever again! The mounting is simple, with just a 1.5-inch filler hole and 8 mounting screw holes needing to be drilled using the filler cap body or filler cap gasket as your drill template. At just 2-1/4-inches in diameter the compact size of our new flip-up gas cap it is easy to find a mounting spot for it on just about any vehicle. The filler neck pipe is made from .120-inch wall aluminum with a 1.5-inch O.D. to allow easy connection with one of our fuel filler hose kits to your fuel tank. Solve your fuel fill problems today with Speedway’s new positive locking flip-up gas cap.