Introduced in 1970, the Chevy 454 — affectionately known as the Rat Motor – was the largest displacement Chevrolet engine to enter the big-block engine showdown of the muscle car era. At 454 cubic ...
Well cover the details shortly, but for now, all you really need to know is this: GM Performance Parts new LSX 454 is the most powerful crate engine in the history of Chevrolet. Rated at 620 hp and ...