Anyone have an opinion on bumper bolts from Firestone Collectibles? According to their website, they are the correct steel capped bolts in the right size.
Not cheap, though $2.50 each!

http://www.mopar9999.com/fcstore2008/shop/item.aspx?itemid=694


'71 GTX 440+6 (Second Owner) '70 Road Runner 383 4spd (x 2)