If you’re a fan of Chevy big-block engines then certain numbers make you smile a bit when you hear them: 454, 396 ... custom-grind solid-roller Comp cam. At 0.050-inch duration, it specs ...

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.