Same old FABO

Wow, is something bent?
It has unfortunately been this way since I got it. It's not that far out but the left rear caster is out 3/4 degrees, and the right rear is out 1 degree and the toe total is with in specs but one side is to the limit. So it always tracks off some. I need it all squared up. The factory does not offer rear shims for this but I did find some aftermarket stuff but NO one wants to do the job I guess because it involves work.