58WB-HWD SPECS:
- 1.938" = CAP BOLT HOLE CENTERLINE (7/16-20 THREAD)
- 4.250" = CAP TO CAP CENTERLINE WIDTH/SPAN
- 5.310" = JOINT OUTSIDE SWING DIAMETER
1550 SPECS:
- 1.375" = APPROX CAP DIAMETERS
- 4.965" = APPROX WIDTH / SPAN ACROSS THE CAPS
NEW - VARIOUS MANUFACTURERS (Spicer, Neapco, PTC..etc)