The Definitive Guide to 454ss for sale
1970 saw the introduction of the most powerful Chevelle SS of all time. Responding on the lifting of GM's ban on engines larger than 400 cid in midsize automobiles, Chevrolet responded by dropping in a different 454 cubic engine into its Chevelle SS. The top motor selection was the LS6 Model with 450bhp. The normal Chevelle SS 396 continued with it