Maxx Quality, Performance and Affordibility!

The ProMaxx MAXX Series Small Block Chevy Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Even the ''as cast'' heads utilize ultra-smooth new runner and chamber designs that produce ''CNC'd type'' flow numbers. While creating the 100% CNC Ported MAXX series, Many long hours on the flow bench were invested for one of the best flowing out-of-the-box cylinder heads available at the best price. This combined with a 5-angle competition valve job, diamond-honed bronze guides, hand bowl blending, and professional assembly to outperform the best brands in the business.