Nothing in it for him to send a pair to you. You have zero credibility, no background, and nothing for him to gain from doing so. He did that himself running the stuff on his dyno and at the track in his car.
But a lot to lose if i prove them wrong..and they'll(the head be run on the same set-up i run now)..flow numbers are nothing to go by anyone can inflate them,especially when your trying to sell a product,thats been proven by a friend of mine on his dyno...
