Bostonian 71 demon

I'm sure you're probably aware of this but be cautious when purchasing your new tubing just make sure the mill thickness tolerance is thick enough everywhere.
I put in my rocker bars but didn't measure, I assumed they were thick enough. The second bar I added I measured and found out it was under spec, so just to be safe for inspection I added the 2 by 2 square tubing .060 thick just underneath those bars. The nhra inspector was happy.
I was lucky with all my tubing, but some had a different finish than others. I got mine from a local steel supply house. If doing again, I would likely buy from these guys. I have gotten special tubing from them. They supply most of NASCAR.

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