Upper ball joint socket
Sorry I didn't see this earlier. From my archives, I save everything. I can't remember where I got it from and can't confirm the accuracy of the info, but here you go:
60-72 A-body all, 73-76 A-body with drum brakes.
1-3/4" square ball joint socket.
Miller # C-3714 (may be discontinued)
Snap-On # S6302
57-79 B-body, 79-81 R-body, 76-80 F-body, 77-89 M-body, 80-83 J-body, 73-76 A-body with disc brakes, 70-74 E-body, 63-73 C-body.
1-15/16" square ball joint socket. (1.938")
Miller # C-3560
Moog # T412
Year One # MR48.
Blackhawk # 60460 (may be discontinued)
60-62 & 74-78 C-body, 59-75 D-body, 72-93 D-series trucks, 70-94 B-series vans, 87-94 Dakota.
2-1/8" square ball joint socket.
Miller # C-3561
Moog # T412
Year One # MR49