This all steel air cleaner is based off the 1951-1956 Olds & Caddy air cleaner. It uses an over-the-counter 14" x 4" replacement element. It's even notched out in the back to clear a GM HEI distributor. Fits 5-1/8" carb neck (most Holley, Quadrajet, Demon and Edelbrock carbs).
Includes all steel housing, steel top, paper filter element, carburetor stud, and unique rocket shaped wing nut.