i just pulled my third.
my ring gear is all chunked out and missing a few teeth, (kinda reminds me of my dog). so where do i get a 4.10 gearset. it seems all the after market is a different ratio's.

 

check craigslist.... i think i have a 4.10 gear set laying around some where... let me look for it.

 

yeah i'm looking, i'll drive if they are in good shape.

 

It might be cheaper to just buy a used third. I sold two recently that I had pulled from my 4Runner for $50 each plus shipping (so they were like $85 shipped). I had them because I installed two new TRD elockers. Check the classifieds in this forum and in IH8MUD.