I've been told by Jeff at MCH that the bare, iron P4529898 head comes without the pushrod holes and the intake bolt holes unmachined. That works great for the SS guys. I wonder if anyone has ordered the heads for a street car and then found a partially machined head?
After shipping a couple of iron Hemi heads out for machining and porting, I'd hate to have to pull a set of heads in a car. I had back surgery in April and have no desire for a repeat performance. Aluminum heads look attractive to me.