Half Finned Cast Aluminum 12" Air Cleaner Assembly -Fits 5 1/8" Carburetors (Edelbrock, Holley, Demon, Rochester Etc.) -Top of Fins are Polished and the Body is Black -Overall Measurements are 12" X 8 5/16" X 4" -Will Clear HEI Distributors -Filter is Standard 8 1/8"x 11.5" x 2" -Great Finishing Touch for your Hot Rod, Rat Rod, Muscle Car, or Custom.