If you want a super-accurate distributor, it's easy to fabricate a new shaft from drill rod and install Torrington needle bearings in the top and bottom of the housing. I've seen a couple of 2 piece shafts broken at the joint, possibly from high oil pump loads during a cold start.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!