Take it apart and look before you get too worried. There might not be as much wear on the housing as you think. On most of the front end parts I've put new bushings in I've been able to just run a little filler weld in and use a die grinder to smooth it til a new bushing fits. Same on the spindles, just build them up and grind them down til the new bushings fit and your good. No need to get to fancy because it's never going to get much use anymore anyway. That thing probly has thousands of hours on it. Here is a link to where you can get bushings.