Are you looking for Gen I or Gen II UCA bushings? You can't get separate bushings for the Gen II arms (at least, I wasn't able to find any - either rubber or urethane), you have to buy the entire UCA. I think they are available for Gen I's though.

95 Montero SR
3.8 MIVEC, Advance headers, 2 1/2" exhaust, Magnaflow muffler, OME shocks & rear springs, 2" body lift, 3" tank lift, 4.90s, TRE front locker, factory rear locker, Roger Brown Rock Sliderz, 315/75r16 (35") tires, Sport big brakes