I have the MP cast covers (currently on iron heads) and I'm constantly fighting leaks at the rear of the heads. Thinking of switching...
How do these Summit covers compare in height? I had to put in a shorter blower motor just to barely clear the right-side cover.
The valve covers I have work pretty good on my Indy Heads because the valve cover rail on my heads are wide..l used the blue Moroso rubber style valve cover gaskets.