I found some NOS on ebay when I needed some for mine. Call around and try to find some if you like. You may try Bruce at 804-752-6036, he is in VA, call at a reasonable time of day. He has had many of the NOS parts I have needed.

But if there is nothing wrong with the casting / forging just replace the pins and bushings and lock pins. That's normal spring shop stuff, not hard to find.

•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-