I talked to them today and they are raised port heads by three hundred thousandths. Because myself, like so many others are not machinists, this seems like a head scratcher but I just keep simple for me - they are raised just under 5/16th of an inch.The BPE HP8103 heads are their CNC ported heads and I would have thought that they would have had a raised exhaust port, up to 3/8" like the similar AFR head. But, their website claims they have a standard exhaust port location which surprised me. The standard H8002K heads, which I have, have a raised exhaust port which I confirm with an email to BPE.
I am going to go with the dynatechs and if I have to return them then so be it. But for now I am going to throw a bit more $ at this to get this car one step closer to being on road before summer 2020 is gone.
I'll let you all know how the new headers fit when I get them.