Here is one I did for the radius rod inserts. It will give you and idea on where it's located at least. If you're doing a whole bush then you'll need to have them pressed out. If you don't have a press then call your local auto parts store and see if they have one and how much.
http://www.camaro5.com/forums/showthread.php?t=156879
Here is a pic of when Whiteside pressed mine out.