While I an really appreciative of any answer I receive here on the bolt, I was on the phone trying to close a deal on a set of steel arm rests off a 53 Desoto, which seemed like they might work on my 52 Chevy truck, that is why I needed centered measurement on a pinch. Was not able to find the answer I was looking for in your reference. But when I got home I measured it and it looks real close at a 6" centered measurement and the Desoto was at 5 3/4. I really would like to have metal vs. plastic, so the search continues, thank you again, HUGH
