ring and pinion

I ordered a 4.46 ring/pinion set for my Rangers rear M220 from Spicer, but instead, received a 4.88 set in a 4.46 box. I promptly had them installed along with a set of 4.46's for the front. Naturally, I couldn't drive it this way in 4wd and had to get around in 2wd until (10k Miles later)...