The stainless nuts on the stainless stud won't rust weld together.
The threaded insert into the head had high strength locktite, and the stud into the threaded insert had medium locktite.
Then I used flanged serrated nuts so they wouldn't loosen.
![](http://www.asia.ru/images/target/photo/51563145/Hexagonal_Flange_Nut.jpg)
I also believe you can get away with the cheap manifold gasket if you have the manifold surfaced (I did)