My old Direct Connection manual says that's a '70-74 1"x23 spline piece.
Unless someone has started repopping them, the gear internals for the A833
haven't been made in decades. The last set of new parts I bought (in the
80s) were synchronizer assemblies that came in boxes marked "AutoGear".
They didn't slide worth a darn due to burrs on the hub. My machinist says
that, as parts were inspected, anything that didn't meet specification was
tossed into a bin. Rather than pitch them into the trash, Chrysler would
sell them to the aftermarket. Aftermarket resellers would just put the
parts in their boxes w/o any work. Watch out for "new" parts that aren't in
One or more of these folks may have what you need, or point you in the right
Liberty's Gears (http://www.libertysgears.com /)
Layson's (http://www.laysons.com /)
Bob Mazzolini (http://www.bobmazzoliniracing.com /)
Mancini Racing (http://www.manciniracing.com /)
Jim's Auto Parts (http://www.jimsautoparts.com /)
Though the synchro teeth on a Drive Pinion gear are used only when engaging
4th, they could still be hammered. I believe Liberty's can cut the old
teeth off and weld on a new set on an otherwise-usable part.
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