Steering stabilizers are intended for use on domestic 4 wheel drive vehicles with under-engineered suspensions, which your Montero isn't and doesn't have. If your steering is loose you have something that's worn that needs to be replaced.

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