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.

Famously featured under the hood of the 1970 Chevy Chevelle SS 454, the 454 V8 is a big-block engine that helped define the golden age of muscle cars. Very few engines ever came close to the power ...

The Chevrolet 454 Big Block V8 was created during the muscle car era and was one of the largest engines of its time, with a displacement of 7.4 liters. The engine could produce 450 horsepower ...