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 ...

With the single-plane carbureted intake manifold, the LSX454 produces an impressive 627 hp and 586 lb-ft of torque, which is comparable to the 9.4-liter ZZ572 engine. The ZZ454 can handle some ...