This new air cleaner lid is concours correct for 69-70 Mustangs equipped with a factory shaker hoods including: Boss 302, 351W, 351C, 390 GT and 428CJ. It is an exact reproduction made on Scott Drake tooling. Each piece is stamped with precision from heavy gauge sheet metal. It features proper locking "dimples" for use with original style wingnuts and is finished in correct Ford Dark Blue engine paint.