<VV> Need Pinion Shafts

[BBRT]

Anyone have a very good pinion shaft for a '61-69 manual transmission Corvair, they are willing to part with?  One with really good internal splines?

Looking for two shafts. Need as close to unworn internal splines (and the rest of it has to be good, too) as I can get.  The thought that half worn splines are ok is fine for street use and stock clutch. However, for the track, not good enough.  It will be a short matter of time before it fails - not at  home - but 500 mi away at the race track. Don't need the bearings or pinion gear.

Thanks,

Chuck S
BBRT