8 3/4 489 CASE, 10 SPLINE 323 GEARS WANTED

I have a 489 case 8 3/4 rear. Has 391 gears in it now with a Powertrax Grip Traction system carrier in it. 10 spline. Looking for a set of 323, 10 spline gears. I could use 29 spline, but that would mean buying a yoke also. Need to curb the spending a bit. Any help would be appreciated. If I could find a new set of 10 spline 323s I would buy them. Not a popular gear anymore.

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