A lot of the older Cherokees had Dana 30's in them, but very few had the 4.10 gears.
Besides, the Cherokees are coil springs in the front. So it isn't a bolt on item anyway.
'87 YJ, 4.2L built and bored, 8.5" of lift, 8.8 rear, AX15/NP 231, Tom Woods drive shafts, Flat fenders, 12,000LB winch, Custom bumpers, Rattle can paint job. Never completed...