not sure I have the answer to all your questions, but I will say that there are two different sizes of 4.90 ratios in the montero sports. that is why I suggest doing the vin check to get the part number and see if it matches. that is the only safe way when getting them from a part yard.


97 Montero SR w/Mitsu Adj Shocks & Rear Diff Lock ARB Front Diff Lock 4.9 Ring/Pinion 3.15 transfer box 43:1 crawl ratio 2" suspen lift 2" body lift 2" Gas Tank Lift 35x12.5 MTRs 15x10 Wheels Rock Sliderz ARB front bumper w/12k winch Custom rear bumper