This custom 1997 Ford Mustang known as the "Shelby 100Special" is a documented one-of-one vehicle created by Shelby American in 2017 as part of a pilot program exploring a bespoke special-project division.

Built from a 1997 Mustang GT, the car was stripped to its bare shell and refinished in factory-correct Rio Red before being reassembled using major components from a 1997 Mustang SVT Cobra, including the 4.6-liter DOHC V8 engine, 5-speed manual transmission, brakes, suspension, cooling system and interior.

To meet Shelby performance standards, a period-correct supercharger system was installed, increasing output from the original 305hp to over 500hp, along with a cat-back exhaust system, Eibach suspension components, and new coolant and brake lines.

The project was commissioned as a “Shelby that never was,” and the finished car was completed with a unique Shelby “100Special” CSM badge identifying it as the sole example produced.

The concept was ultimately not continued due to res...