Why You Should Upgrade to GM Vortec Cylinder Heads

Vortec Cylinder Heads

Learn why GM Vortec cylinder heads are a great way to add horsepower to your small-block Chevy as well as the physical differences between traditional small block heads and Vortec heads

You’ll get a brief history behind GM’s Vortec cylinder heads, and an understanding what upgrades are required to step up to Vortec-style heads…