used with max wedge or even bigger ports to match big port heads like a 44-1 or B-1 origenal.on my BDS intake i would like to have a better head and just weld or use an adaptor to match the ports.to be honest i am not sure when/if the intake angle changes on what heads.any header issue will be delt with.9hooker supercomp 2"x34 69 B body]thanks for your help.