UMI Performance 05-14 Ford Mustang On-Car Adjustable Panhard Bar with Poly BushingsThe panhard bar controls the side to side movement of the rear end under the vehicle. Flex and bushing deflection found with the factory panhard bar leads to erratic handling and tire rubbing under hard loads. This tubular set up features fluted Energy Suspension polyurethane bushings to eliminate deflection and is constructed of large 1. 250 diameter DOM tubing. The supplied CNC machined double adjuster features left and right hand threads for quick