454 HO with Iron Heads and Roller Cam

Musclecar power at a low-buck price! Now, this is the stuff that legends are made of. Big-block, street-sweeping power just like the '60s GM musclecars that you grew up with or have worshipped for years. Now, GM Performance Parts has a 454 cubic inch crate engine that is big on power and low on dollar. Let's take a look ...

We started with a brand new (not remanufactured or sourced from a scrap yard) Gen VI four-bolt big-block. The 454 HO is stuffed with a forged steel crank, forged connecting rods, and forged pistons. A hydraulic roller camshaft with .510/.540 lift generates a nasty idle. Cast iron cylinder heads deliver a pump-gas friendly 8.75:1 compression ratio. Horsepower comes in at 425 with 500 lb.-ft. of big-block torque.

The 454 HO is delivered to you complete with water pump, balancer, intake manifold, and 14 automatic transmission flexplate. Add your carburetor, ignition, and starter to complete the engine. Check out the GM Performance Parts line of valve covers and chrome accessories to give the engine a more eye appealing, under hood look.