Rarity is always relative. Today, we see limited-edition cars with production runs of perhaps a few hundred or even 1000 units all the time, but things were very different in the 1960s and early '70s.

The Chevrolet ZL1 427 was one of the most extreme engines ever developed during the muscle car era, combining racing-grade aluminum construction with breathtaking power potential. Built in extremely ...

Produced during the short-lived but exciting era when muscle cars reigned supreme, these high-horsepower motors ran their way to legendary status one quarter mile at a time. The muscle car era started ...

Introduced in 1966 as a competitor for the successful Ford Mustang, the Chevrolet Camaro quickly morphed into a high-profile muscle car. And by 1970, it had already spawned a few limited-edition ...