GM Performance 12499712K - GM Performance Parts ZZ4 Power Packages

GM Performance 12499712K - GM Performance Parts ZZ4 Power Packages Details
Package #1
This cam offers .488" of lift on the intake and .509'' on the exhaust with 214 and 224 degree of duration at .50". Add this cam to a set of ported ZZ4 heads for a significant gain. This package offers a 23hp gain over the stock ZZ4 crate engine. Hot Cam included but installation is required.
The ZZ4 brings you a few more upgrades right from the factory. They include aluminum heads, an upgraded camshaft, and aluminum dual-plane intake manifold. Still, there are improvements in power that can be made with the ZZ4 as we found out on the GM Performance Parts Engine Dyno Configurator. Here's a sample of what a few component upgrades can do for the timeless ZZ4

