Just a simple bolt on, the only thing to watch out for is the number of bolts, either 5 or 6.
Cost about $80
If you go off road much, carry your old flanges in case you blow a hub!
1979 CJ7 (YJ tub) full cage, Currie 9inch rear with Warn full float kit, detroit locker, 456 gears both ends, Lockrite in front, T 18 trans, 360, 040 over, Isky cam, 2 into 1 Flowmaster exhaust
I'm not as good as I once was....but I'm good once as I ever was.