However, AMC did not offer a fully-fledged muscle car until the 1968 model year. That's when the ... edition versions over the years—the Mark Donohue Edition of one of them.

In 1968, Mark Donohue ... and sports car competition. In addition to being a storied race car, the "Lightweight" Z/28 is also the second Z/28 Camaro produced in the 1967 model year.

The car shown here is fitted with the latter, which was the most powerful option at the time at 325 horsepower. But what makes this specific Mark Donohue Edition model stand out, even more ...