I think he's looking for joints, not heims. Trail gear has their own joint similar to johnnys and ballistics joints.
Might look in to that.
99 WJ hp44, 3 link, Eaton e locker, 14" foa coilovers in the front. 14 bolt, 4 link, grizzly locker, 12" foa coilovers in the rear. 5.38s and 37s