When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
you upgrading your 3.73s? in theory yes you can with the right tools and know how, but the pinion depth setting is pretty important if you screw that up don't expect them to last long. Just have a good shop do it
Have you priced shops out? I don't think it's that much to have a professional do it, at least the last time I checked around here. It's a pretty common mod.