Highest flowing sbm heads?

I love it when the trolls come out....so since there are soooo many self proclaimed "super" engine builders on this site I WILL WAIT to see proof of your 8k rpm plus N/A pushing 1000 hp builds that perform at that level and last.......SHOW ME EXPERTS......I WANT TO LEARN
There is probably less than 3% of anyone on this site that has ever handled such a monster....LOL......laughable