The Mustang's engine lineup included four powerplants in 1964. The K-code 289-cubic-inch HiPo is the rarest of the bunch.

April 17 marked 60 years since the Ford Mustang’s public debut at the 1964 New York World’s Fair. The original pony car immediately ... with a loaded and very sound ’65 GT in need of a ...

Other notable upgrades are a bespoke mesh-style grille with silver-accented “nostrils” that also aid the engine’s air intake, standard “Mustang Nite Pony ... of the ‘65, while also ...