We previously ran these promaxx heads on a smaller 347 stroker but with 210cc intake ports that flowed over 320 the heads were better suited to a larger more powerful stroker combination. The shocker 210 cnc sbf heads are tops in the industry.
Promaxx For852n Cylinder Head With Valvetrain For 2008 2010
Promaxx sbf heads reviews. Thinking of picking some up for a budget solid flat tappet 350 shoot for maybe 500 crank hp rev to 6800 7000 single plane intake 4150 holley 750dp hot rod magazine were pretty happy. Can order them with a 185 runner and seat cut for the 2055. Springs and retainers i already gotwith a complete port job. Supposed to be a five angle. Compare performance and price and you will see it is no contest. Anybody here run the promaxx former patriot heads.
Go out and shock the competition. Flowing over 328 cfm through only a 210cc runner will make the power you need from your big cubic inch small block ford. Find promaxx performance maxx series small block ford cylinder heads 9175 and get free shipping on orders over 99 at summit racing. Maximum quality maximum performance and minimum pricingpromaxx maxx series sbf cylinder heads take affordable power to the next level. Credit for those impressive flow figures goes to full cnc porting including the 60cc combustion chambers and a 208160 stainless steel valve package. I saw a vidoe on youtube of the promaxx headsthe guy had done saw cuts showing the ports and had tested the materaili m pretty new on the head porting game would like to ask some of the pro guys to check it out and see what they think of themthese heads are actually patriot clyinde headsthey just closed down and changed there name see if we can get some fed backk from the pros on them.
With ultra smooth grade a 356 t6 aluminum castings that are precision cnc machined these small block ford heads deliver. Going to get them bare for 700 and add my own 2055160 plus 200 chevy valves and comp. Specifically the 2117 or 2121 225cc runner versions. Want to run pump gas and need a cheap aluminum head.
Gallery of Promaxx Sbf Heads Reviews
