This U-joint goes from 3/4"-20 spline to 13/16"-36 spline. Howe's codes for the ends are 21 and 11.
- End 1: 3/4"-20 spline (code 21)
- End 2: 13/16"-36 spline (code 11)
Match your shaft splines against the ends listed in the specs before you order.
Howe Performance part number UJ-2111.