The Photos on this Page Compare an Original 71 429 Mustang Ram Air seal to the new Ford Ram Air.com Reproduction Seal made for the 71 429 Mustang.
(Thanks to Mr. Leon Grice of FordRamAir.com for providing these new photos!)
Note: The repro seal shown below was installed briefly just for photos. I saw one of these seals installed on a 351 recently and with engine heat, it took the circular shape of the original and all the folds disappeared.
(Click on images below for larger view)
Thanks to group member Bruce O'Connor for allowing me to use his brand new seal for these comparison photos. (John Blair)