I'd like to understand this a little more. I know what you mean, that there will be a gap equal to the gauge of the rail between the head/washer and the truck body.
I haven't used anti-seize before. I wrote it off because it seemed like it would make my rail install permanent or become a major...
I'm making my own side rails with channel strut. I started with the Ford DIY video on it but figured out pretty quickly their materials list is incomplete and inaccurate. I've found myself capable of figuring out what's actually needed all the way through to the fastener materials. At first I...