Hendrix Motorsports has come out with there own rod end called the the X-joint. $34.95 each.
Included are: 9/16 grade 8 bolt and nut, stress proof ball, DOM shell with zerk hole, extra heavy washers, poly cups with integrated grease passage and zerk fitting.
Assembled X-joint with 1"-14 or 1 1/4"-12 stud $44.95 (comes with grade 8 bolt and high temp lock nut)
Tube inserts:
1 1/4"-12, fits 2"x.250 or 1 3/4"x.120 tubing $14.95
1"-14, fits 1¾"x.250 or 1 1/2"x.120 tubing $14.95
7/8"-14, fits 1¾"x.250 or 1 1/2"x.120 tubing $9.95