Check the routing and then get some string and run it around and measure the length. Check the description at your parts sites for length of the belt. Or just go to the parts house and get some help. If both show the same part # routing may be the issue.
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