906 head porting

Hi guys, decided I'm most likely gonna go with my 906s for my current build. Looking for some ideas of where to go for my porting. I'm located in south east michigan and would like to stay within a driveable distance if I can. I will assemble the heads myself. I ran into a booth at mopar nationals in columbus, a company by the name of KG engines I believe. Seemed like quality work. Is there anybody that has dealt with them or if you have any other experiences with anybody else I'd love to hear some feedback.
Thanks