[Scufty]

Ok call me a dummy but whats the deal with High riser Med riser etc heads?
I have a 427 so and some (what look to be) stock heads...I think my bottle neck is the heads and intake ...I am running a holy street dominator i do believe as the intake with a holly 750 ..I am not very impressed with the heads or the intake? thoughts ? what are you 427 side oiler guys running for heads and intakes? I know broad question but any help is great
Thanks