http://chicagoengines.com/specials/cylinder/index.aspx WebProMaxx Performance began business by revolutionizing the CNC cylinder head market. They specialize in cylinder heads for small block Chevy, big block Chevy, and small block Ford. ProMaxx designed their own CNC programs to port chambers, bowls, and runners to maximize air and fuel flow. JEGS stocks ProMaxx Performance Products at the best ...
Aftermarket Chrysler Big-Block Cylinder Heads Hemmings
WebMar 12, 2015 · They sell them at Summit and Jegs and other places for about $800 and they flow about 270cfm with 200cc runners. Obviously they are not AFR, but there have been more then a few dynos with these heads and they have made over 500 on a 383 or 400sbc. WebJan 18, 2024 · ProMAXX Performance Products has CNC ported big valve heads available for the Ford big six. The heads are based on NEW thicker EFI style castings. ProMAXX heads are cast to their specifications from the foundry they have been using for many years for all of their cylinder heads. The combustion chambers are unshrouded to 73 cc using CNC … smith sanitation pickup schedule
ProMaxx Performance, Maxx 440 Chrysler BB Aluminum Heads, …
WebJan 6, 2024 · This 440 will likely be a part of that. It may be "built" in segments. This means, I may just bolt heads and cam install and run it "just to see", even using the factory rockers. Then pull it back down, install new pistons, etc. But again, this has nothing to do with this thread. Last edited: Jan 6, 2024 2 rumblefish360 WebCylinder block Boring and honing with head plates, Decking – decking w/BHJ fixture to ensure 90° and flat and parallel, and line honing. We also pressure check cylinder heads … WebAll PROMAXX Performance Maxx Series big block Mopar cylinder heads have the bowls blended by hand, and are assembled by professional builders. By flowing over 295 cfm … river birch tree near me