When it comes to iconic automotive performance monograms, few have been around longer or have been placed on such a wide variety of vehicles as Chevrolet's "SS" badge. Standing for Super Sport, Chevy ...

Rarity in the automotive market can be difficult to define. At one extreme, there are limited-production hypercars that have all been reserved by collectors before the press release even goes public.

The 1957 Chevy Corvette SS, known internally at GM as Project XP-64, was developed under the watchful eye of Zora Arkus-Duntov, who would soon become Chevrolet’s Director of High Performance Vehicles.

During the 1960s and 1970s, some of the most impressive, performance-oriented Chevys were equipped with the legendary SS package. As the horsepower war was heating up during the late 1950s and early ...