looks about right to me, and not worn much. The groves in the sides of the big ball can get very sloppy. I welded mine and re cut them.
Do you have the spring under the cap that keeps the shift lever tight in the cover at the ball socket sort of thing?

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-