Modern Cylinder Head - Two sets of the Sidewinder/Promaxx heads showed up for CNC Porting. One will get standard port window, the other will be Max Wedge port. I'll have flow #'s
Small block Mopar ProMaxx head testing - Moparts Forums
PROMAXX Performance Cylinder Heads - Assembled Cylinder Head Style - Free Shipping on Orders Over $99 at Summit Racing
PROMAXX Performance 2169 PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads | Summit Racing
Mopar Chrysler Aluminum Wedge Cylinder Head, Mopar Chrysler 70Cc Cylinder Head Exporter China - Cylinder Head for Chrysler Mopar Big Block, Dodge Chrysler Jeep 3.7l Cylinder Head Supplier -
PROMAXX Performance 9241 440 Maxx Aluminum Cylinder Heads Big Block CHRYSLER (b/ for sale online | eBay
Small block Mopar ProMaxx head testing - Moparts Forums
ProMAXX 185cc Ford Smalll Block Freedom Series Cylinder Heads, Assembled
PROMAXX Performance 2211 PROMAXX Performance Freedom Series Big Block Chevy Cylinder Heads | Summit Racing