ZZ502 Deluxe/Assembled with Aluminum Heads

An out-of-the-box 502 powerhouse that is ready to go! For those of you who want your ZZ502/502 already assembled, GM Performance Parts has just what you need. The ZZ502/502 Deluxe crate engine includes the entire engine, from carb to oil pan, and comes assembled from the factory. It includes a Holley 870-cfm four-barrel carburetor, dual-plane intake manifold CNC-port matched to the oval-port heads, starter, distributor, plug wires, and water pump. The ZZ502/502 Deluxe crate engine offers you a GM Performance Parts tested and validated 502 horsepower/567 lb.-ft. of torque combination with a 24-month warranty.

The ZZ502/502 comes with our aluminum oval-port, big-valve street heads that flow enough air to satisfy the demands of the hungry 4.47 bores and 4.00 stroke crankshaft. To ensure a long and productive life, this performance big-block is based on a Gen VI block with four-bolt mains, a forged steel crank, forged steel rods, and forged aluminum 9.6:1 pistons.