adjustable control arms

I have a '08 JKU with Rough Country adjustable control arms. The rear uppers have too much space (2 3/8") at the bracket for the arm & bushing (1 7/8"). 1st set the bushings slipped out. I need to fill this gap or come up with another solution. Rough Country knows of the problem but doesn't sell...

I am new to Jeeps but not new to lifted vehicles. I bought my wife a 14 JKU sport that already has a Teraflex lift (it’s either a 2.5 or 3”) with adjustable short control arms front and back with fox shocks and steering stabilizer. The steering on it to me seems to be all over the road. It...