UMI Performance 59-64 GM B-Body Adjustable Panhard BarThis adjustable tubular panhard bar replaces the stock bar on 58 64 GM B Body vehicles, enhancing rear end stability and alignment. It allows on car adjustments to center the rear end by simply loosening two jam nuts, providing extra tire clearance and proper alignment. The bar features new grease able polyurethane bushings and requires no modifications for installation, which can be completed in under 30 minutes with basic tools. Constructed from 1.