Used Grade B Ford engine blue painted valve cover with "Powered by Ford" embossed in the metal. Grade B valve covers will have dings and dents, corrosion, rust spots and will definitely need restoring. Correct on 1968-1971 Mercury Cougar and 1968-73 Ford Mustang with 289/302/351W engines. Ford master parts catalog shows a right and left version of this cover those Service Replacement numbers are D2OZ-6582-C & D2OZ-6582-D.
*Note - This cover will not work on a 351 Cleveland engine.