Here's an entire front diff, plug-n-play 4.88

Quote
1994
Carrier
Toyota 4Runner 4:88 ratio RG1302 $95 Cunningham Brothers Auto Parts - PRP, PRP-MA USA-VA(Rustburg) E-mail 1-800-828-0707
1995
Carrier
Toyota 4Runner 10-95,4X4,SR5 A 0235 $90 D & V Salvage, Inc. USA-OK(Ada) Request_Quote 888-711-0770 Request_Insurance_Quote



Rear 4.88 are approx 300 on car-part.com. May want to consider re-gearing your existing diff.

85 4Runner - With NEW Marlin 4.7 Gears!! It's a whole new beast!