Reproduction pair of aluminum 428CJ valve covers. Correct on 1969-1970 Mercury Cougar and Ford Mustang with 428CJ engines. This is the plain finned aluminum valve cover. Sometimes called 1969 Shelby valve covers.
Ford master part number C9ZZ-6582-B. Casting number can also be C9ZE-6583-B.
*Note - Some 1969-70 428 Super Cobra Jet engines came with a different style of "Snake" finned aluminum valve covers.