It may not have been known for its performance, but the high-performance SS 427 Impala Hardtop could still accelerate impressively. The rare nature of the 1967 Chevy Impala SS models, with only a ...

However, I will never be able to say no to an Impala ... SS became an appearance package starting in 1962, but Chevrolet kept offering big-displacement mills with muscle car-like oomph. In 1967 ...