I know these aren't new, but having trouble finding more info on them. I know mustang fast fords did a build, but looking for a more personal experience with them. Maybe flow numbers, thanks in advance!
Patriot Performance 1102 - Patriot Performance Freedom Series Small Block Ford Cylinder Heads - Overview - SummitRacing.com
Patriot Performance 1102 - Patriot Performance Freedom Series Small Block Ford Cylinder Heads - Overview - SummitRacing.com