Dynatrac tubular rear upper link kit for the Jeep Wrangler JK, SKU DT921046. Dynatrac lists it for 07-UP, and the JK ran 2007 through 2018. These fixed-length arms replace the factory rear upper control arms.
Dynatrac says the arms are stronger than stock. The bushings give more range of motion, so the rear suspension can cycle without the bushing bind that limits the factory arms.