Stainless on stainless will gaul and lock up in a heartbeat, no surprise there. Next time use never or anti seize.

Are you sure you want stainless U-bolts? Are they as strong and tough as genuine suspension U-bolts? If you're not dead sure better stick with the proven steel ones and save stainless for when looks are more important than function.

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-