High CFM heads - What would you chose?

Search member ironmike and big mouth heads dyno.

They weren't all they were cracked up to be


They do something when they port heads that I really hate but I won’t post it here. A member wanted me to flow a set of heads they ported but I didn’t have the time so a very well know Pa engine builder flowed them for him. He sold them on Craigslist shortly after.