Corvette Crate Engine GM Performance Parts ZZ 454/440

12 month 12,000 mile warranty

If you're going to put a big-block in your project car, why not add some aluminum heads into the mix? GM Performance Parts took the venerable 454 HO, swapped the cast iron production heads for a set of our oval-port aluminum castings, and created the ZZ454. Not only do the aluminum cylinder heads flow more air, but you also drop almost 100 pounds off the nose of your car, dramatically improving performance.

The aluminum heads of our GM Performance Parts ZZ454/440 Crate Engine account for 15 horse improvement over the iron-headed 454 HO. These oval-port aluminum heads use huge 2.25 intake and 1.88 exhaust valves as well as small combustion chambers to add to the efficiency of the 454 big-block. The bottom end includes a Gen VI four-bolt block, a forged steel crank, forged connecting rods, and forged pistons. A roller camshaft with .510/.540 lift specs delivers a big-block idle as well as adding to the high performance punch of the entire crate engine.

The ZZ454/440 Crate Engine is delivered as a complete assembly including water pump, balancer, intake manifold, and 14" automatic transmission flexplate. All you need to do is add your carburetor, ignition, and starter to complete the project.


				Corvette GM Performance Parts ZZ 454/440 Crate Engine Tech Specs & Installation Notes

Part	Year	Description	Price	Availability
Corvette Crate Engine GM Performance Parts ZZ 454/440
617-363		Corvette GM Performance Parts ZZ 454/440 Long Block Crate Engine	$7,199.99	Direct Ship Truck Freight

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Corvette Crate Engine GM Performance Parts ZZ 454/440An Aluminum Headed 440 Horse Monster In A Box!

Corvette Crate Engine GM Performance Parts ZZ 454/440
An Aluminum Headed 440 Horse Monster In A Box!