NONE of the low end stuff -- now don't get me wrong -- i build only very fast stuff for big money and do not have any hands on experience with the street / week end race guy parts -- having said that - the flow #s are about the same in the tech info with those kind of heads -- ( reason ) the CNC program to do the porting after casting or ( as cast ) is the same one they ( all use ) its like the standard in the industry -- so all of them are going to be with in a spit of each other -- my 195cc head out flows yours -- RIGHT -- the advertising is the difference between nothing more -- but than again buy what you believe will work the best -- that is the best thing to do -- jz
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