'Cobra. The First 40 Years' refers to an AC Ace (BEX 327) built in 1957 at Thames Ditton with flared wheel arches and hood scoop. The car was exported to the US and was raced with a Chevy V8 in the SCCA championship. There are some good pictures of the car in Trevor Legate's book.
http://www.acaceca.de.tl/BEX-327-191-EPC.htm