control arm identification

Has anyone seen this rear upper control arm? If so, do you know where I can get replacement bushings for it? A quick Google hasn't turned up much. Finally - is the rust in the ends a show stopper for replacing the bushings, or can I get a couple of years out of new bushings before...

Hi all, thank you very much with helping me figure out my front steering components the other day, it was greatly appreciated. With that said, I need help figuring out what I need to replace for an appropriate 2 1/2 inch lift, from my current 4 inch lift. I ideally would like to run 31's and...