These were STOCK heads - not OOB since I had a few tight guides, and a few intakes that the seats were 1.5 thou oor - but aside from that and matching springs etc they are stock castings, not even decked.
I ran 2 carbs today - the Ultra HP 750 & the 830 Annular
and they were withing a hp or two - so the carb is definitely not holding the engine back - the heads are at this point....
