I have used the 18 spline shaft Jamie has and it is a very nice part with tapered clutching teeth to last longer. I have used other 23 spline shafts from Brewers and other vendors and I haven't heard any complaints on them yet. The Passon shaft is made in USA if that matters to you.

Gus beer


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60