This summer I bought a 1950 Ford with a 1956 DeSoto 330 Hemi adapted to the ... identified by the special valve covers they were equipped as they had bumps to clear the rockers.

Bob Walker, owner of Hot Heads—a one-stop source for early Chrysler, Dodge, and DeSoto Hemi hot rod parts—gave us the scoop on his aluminum castings, valve covers ... won't clear a 331's ...