I just switched from my chrome valve covers to the MP Polished cast aluminum valve covers and used the felpro 1612 high temp gaskets. I used Felpro Right Stuff to glue them to the valve cover and so far no leaks. I also used the bolts instead of studs on my covers.
http://www.summitracing.com/parts/fel-1612

8137741-image.jpg (39 downloads)

[img]http://www.imgur.com/hxlGUJt.gif[/img]
4-speed
3:54 Dana
13.01 @107.93 with street tires (not hooking up)