It would be amc 20 in the rear and dana 30 in the front.if the seals are'nt dry and cracked up and or leaking dont replace. put some grease on the seal rubber lip. Depends on how far you want to go with it................
1984 jeep cj7, 258 I6, rebuilt T176,rebuilt Dana 300, amc 20 , dana 30, 4.10's Trac-lok in rear , 4.10's detroit soft locker in dana 30, 2.5 inch bds suspension lift, 1 inch polyurethan body mount lift. Line ex. weber carburetor. factory tach. factory clock ,oem replacement speedomter cluster, and oil pressure gauge, factory volt gauge.