A dream car for many since it first hit the road in 1975, Porsche’s first generation of 911 Turbo, known internally as the 930, quickly established itself as a global performance benchmark.

With huge flared fenders and a whale-tail rear deck spoiler, it certainly looked the part as well, all while being instantly recognizable as both a Porsche and a 911.

In 1982, Porsche racing sponsors requested that the German automaker’s Exclusiv Manufaktur—sometimes called “Sonderwunsch,” or “Special Wishes”—program create a unique road car that looked like the world-beating Type 935 racer.

The resulting bodywork indeed bore a close resemblance to the aerodynamic 935, with louvered steel front fenders made flush with the hood and fitted with retractable headlamps.

The rocker panels were boxed and extended to meet the widened rear quarter panels, which contained new brake-cooling vents with side strakes and an electric fan for additional oil cooling.

Wider wheels and tires were fitted at both e...