This Fan Shroud is a "Concours” correct reproduction of the original and more durable. Made from OEM grade heat resistant plastic. For use only on the 1967 390 & 428 cu. in. Mustang & Shelby, with 23 in. wide radiator. Fits with & without A.C. 24 1/2 x 20 x 1/34, Polypropylene Injection molded Manufactured in the USA by CPC and Officially Licensed by Ford