Did you find your spring center bolts?
If your auto parts store doesn't think they can get them ask if they have Dorman products, I've seen spring center bolts on the shelf in Dorman boxes at my local auto parts stores.

Grigg

•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-