1969 Chevrolet Chevelle SS Convertible. ZZ 427 GM PERFORMANCE BBC, Holley 4bbl MUNCIE M 22 4 Speed, Hurst Shifter 12-Bolt Rear Diff 1969 was one of the best years in the American muscle car era. An abundance of style and attitude. Take a look at this authentic Chevelle Super Sport, a car that wraps Muscle Car styling around Big Block horsepower and the stuff legends are made of.