HILBORN STYLE AIR SCOOP-SINGLEThese authentically styled air scoops are made from high quality aluminum castings and are available to fit single and dual carb applications using carburetors with 5-1/8" diameter necks. The dual carb scoop features an adjustable base to fit carburetor's with 7-5/8" to 9-1/4" center line spacing. Beautifully polished to a high luster, these scoops come with a chrome plated inlet screen and bezel and are complete with all necessary mounting hardware. Use replaceable paper filter elements.