[57taskforce]

Originally Posted by 67ChevyRedneck

It's been a long time since I owned mine, but I think that's a 55-59 cab???

I think it's where the inner fender mounts?

Quick google:

https://www.tuckersparts.com/1955-19...g-bracket.html

You can probably find them at any of your favorite parts places.

Bingo that's definitely a 55-59.