You may have trouble finding just what you need in th parts book, but with part in hand to measure and compare may not be any trouble.
Part of dealing with old and now odd stuff. May not have been any trouble years ago, and might not be now, but it will take time.

Don’t forget the rubber brake lines on your shopping list.

•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-