What the heck is that? ohwell

Sounds like something to help keep the two together. If your concerned put some loctite on the bolt threads. I just torque them down with the proper lock washers and havent had a problem.

Jeff


My 1953 Chevrolet
1947.1 Gallery
1972 C-10 1/2 Ton & 1972 C-30 1 Ton