Junkyards, Craigs list, WF Classifieds for part outs. Search a little they are available and prices will vary but you are going to try and find one in your area. Do you have a local Jeep club ask a few members some are very well hooked up on parts searches.
89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff.
AF Jeep Club Tail Number 184