Sorry, it's the front one. The end of the track bar that attaches to the chassis is worn out. It's similar to a ball joint. I didn't think it could be replaced without replacing the whole bar...maybe I'm wrong.
95' Jeep Grand Cherokee Laredo, 148k, 5.2, NP242, 46RH, 4" RC lift, all new adjustable ca's(2 IRO front uppers and the rest RC adjustables), nitro shocks, JKS TB's, Jet Chip, Dynamax cat back, Magnaflow cat, GTP hood vents. 31" Pro Comps with Rock Krawler "D"s. Westin brush/grill guard with Hella 500s, 411's, Solid diff covers, detroit locker rear, power lock in front, SYE and Tom Wood's front/rear shafts, RE discos, BPE's, d-rings front and back, factory tc and rad skid, hitch, Sliders next.
03' Jeep Grand Cherokee Laredo, (wifes Jeep) 99k, 4.7 5 speed auto, K&N, KYB shocks, drilled-slotted rotors, All the toys.
2000' Ford Superduty, F250, 7.3, 198K, 37's, too much to list.