Billet and more head bolts, that sounds about right. Call for pricing sounds scary.
I wonder if it will give a service life of well over 200k?

I'm not knocking aluminum heads. I have factory ones on many of my vehicles.
AFR heads on my 4.6L SC F150 are a sweet set of heads. Really woke up that engine.

 

I called once just to see i was told around 7 grand and a month wait for it.