Cars like the SS 454 Chevelle don’t just happen, they’re a product of a long development process. In Chevrolet’s case, this process started with the very first Chevelle back in 1964. When the muscle car wars began, the Super Sport Chevelle, with it’s little 220 horsepower 283 cubic inch small block action wasn’t ready to run with the big boys, but Chevy reacted quickly. One year later, the Chevelle Malibu Super Sport with the 396 engine hit the streets. The first model of what would become one of the most popular, best selling muscle cars of all time.