Stop in for a cup of coffee

So hey: Here's a stumper for Thursday Throw This Damn Thing Out day: This thing was in my car. I presume the guy who painted it left it in there. Nice of him to sandblast and paint it. So, I thought it looked important but I couldn't figure out where to put it on the car. After going through the whole assembly manual and Fisher body manual I decided to look up the part #. Lookee what I found: A Chrysler emblem! There's 2 part #s on it but no luck looking them up - 5274869 and AI101. It kinda looks like the world's flimsiest radius control arm. Anybody got a clue?

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Battery tray brace?