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.

Small-block engines like the Chevy 327 and 454 big-blocks are iconic and have reached legendary status. Displacement plays a major role in horsepower, but factors like fuel consumption and efficiency ...

Unrestored, highly original, and numbers-matching, this 1970 Chevrolet Chevelle SS 454 LS6 unexpectedly failed to set a new ...

The Chevrolet big block is one of the most storied engines in American automotive history, powering everything from pickup trucks to muscle cars. Like most other engines of its kind, the 454 lost much ...

The Kawasaki 454 is well known for its high rate of acceleration, having raced against a 454 LS big block Chevrolet Corvette and beating it to both 0-60 and the quarter mile by more than a second.