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 ...

Let's take a walk back in time—in 1970, Chevrolet introduced the 454 big-block engine. Unfortunately, this was also when government regs were starting to tighten up, and only a few years before the ...

Crate engines are hugely popular choices when it comes to replacing a failed or faulty engine in a vehicle, or for upgrading a standard engine in the pursuit of more performance. Put simply, a crate ...