Original high-temperature studs & nuts aren't available now, so I'll be using these
Dorman 03135 after I sandblast & paint the manifolds, & have them planed.
See also:
UPDATE: Ford has begun offering this hardware new again. The stud is 391104-S2 and the nut is 375636-S7 or 375636-S437.
![20180723_110627.jpg Original high-temperature studs & nuts aren't available now, so I'll be using these [url=https://www.amazon.com/dp/B001FKEXV6/]Dorman 03135[/url] after I sandblast & paint the manifolds, & have them planed.
See also:
[url=https://www.supermotors.net/registry/media/1083968][img]https://www.supermotors.net/getfile/1083968/thumbnail/antiseizes.jpg[/img][/url]
UPDATE: Ford has begun offering this hardware new again. The stud is 391104-S2 and the nut is 375636-S7 or 375636-S437.](https://www.supermotors.net/getfile/1137087/fullsize/20180723_110627.jpg)