You got choices. Dana 44s from a waggy. You can go Dana 60s for some serious muffing and rock crawling.
Most go mild beef and lock the Dana 30 and out in a Ford 8.8.
Tons if options most depend on budget and install skills. There is a ton of threads on all
Check out the tech pages for builds some great stuff there.
Sent from underneath my Jeep
89YJ 2.5L TBI, AX-5, NP231 SYE, Ford 8.8, Yukon Grizzly, Tom Woods Shaft, 33" BFG T/As, 4" lift, Warn VR10000s.
AF Jeep Club Tail #184