LUK and Cenetrforce come to mind. I would go to an old school parts house and see what they got. There iis the standard over the counter clutch kit aand then there is performance so ask a few questions and see what they have.
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