For 1951-1956 Cadillac Oldsmobile Retro Air Cleaner Air Filter Set Black Coated

--For 1951-1956 Olds & Caddy air cleaner (most Holley, Quadrajet, Demon, and Edelbrock carbs).

--It's even notched out in the back to clear a GM HEI distributor & will fit 5-1/8" carb neck.

--Notched at rear for HEI distributor clearance

--It uses an over-the-counter 14" x 4" replacement element.

--4-5/8" carb to top of air cleaner assembly

--5-3/32" carb to top of air cleaner nut

--18-1/4" wide (not a scaled down version)

--17-19/32" front to back length

--Package: Including all items in the picture.

Note: Professional Installation is Highly Recommended.