1956 Pontiac Chieftain Resto-Mod Wagon, ZZ454 V8, 700R4 Automatic, A/C

GM ZZ454 Crate V8 Engine. Under the hood is a GM ZZ454 crate V8 rated at 450 horsepower and 450 lb-ft of torque. The big-block features aluminum cylinder heads, a roller valvetrain, Edelbrock intake manifold and carburetor, and Hedman block hugger headers.