The thing with a new head that has to be ported I would like to see or hear of someone that has done a set to see where the problem points are(thin areas to the water).... or is it worth it to get them CNCd... I dont like going into a port job without any knowledge of the port... and most likely your valve wont be the proper length required(just guessing) also who makes rockers for the head and price.... I just dont know anything about those heads