While the Shelby GT500 Super Snake was a rare prototype, this muscle car was the rarest to leave the Ford Motor Company’s factory.

The 1966 Ford Fairlane 427 is exceedingly rare ... Then there was the price — the 427 Race Car Package was a $1,725.20 upcharge on top of the Fairlane 500 Coupe's base price of $2,378.40.

Determined to defeat the Italian marque after several failed attempts in the years prior, Ford developed the GT40 and, ...