Engine - Crate Engines - Complete Engine Kit ZZ 502/502

From GM Performance - The king of all big block crate engines is the ZZ 502/502, with horsepower that will have you grinning bad streetable manners that have your competition wondering what hit them. The ZZ 502/502 represents our latest and best efforts to develop awe inspiring big block power in a dependable, durable big block crate engine. With big valve aluminum heads, roller camshaft and heavy duty bottom end.