This U-joint goes from 3/4"-36 spline to 13/16"-36 spline. Howe's codes for the ends are 12 and 11.
- End 1: 3/4"-36 spline (code 12)
- 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-1211.