Originally Posted by Chad P
Dumb newb question what is a bar pin?
A bar pin is what the rear upper shocks mount to the rear cross member, and the front lower shock mounts to the axle.
It's a small bar that looks a little like a bow tie. Slips into your shock bushing. It's not the strongest piece of your jeep. Of course neither is the upper shock mounting point on a TJ.
Here is the stock bar pins.
And here is a bar pin eliminator kit.