packard1984 wrote:
Egge valves are not good in any kind of performance application the hardening they use on the tip of the valve will flatten out like a nail with any thing over stock, I've seen it way to much. The best (and most costly) option would be to get custom stainless ones made through Manly not cheap but the stainless will resist heat better and you will never have to worry about them. Tucker makes some really good seats in my experience.