Same end on both sides here: 3/4" smooth (Sm). It's the one to grab when your shafts match.
- End 1: 3/4" smooth (Sm) (code 06)
- End 2: 3/4" smooth (Sm) (code 06)
Match your shaft splines against the ends listed in the specs before you order.
Howe Performance part number UJ-0606.