308 heads at summit
Go with the Aero Heads at Indy Cylinder Head. New stainless steel 2.02 intakes 1.60 ex, new valve guides, new valve springs for 509 lift $600. And they should be like $50 off at the Indy cylinder head swap meet at the first of March.
I got the 308 with the 2.02 intake valves At the swap meet a couple years ago for $500.