UMI 1978-1996 GM B-Body Rear Sway Bar Bracket Kit (Use w/ Factory Trailing Arms)UMI's rear sway bar bracket install kit connects a UMI 3634 rear sway bar to GM factory trailing arms. This kit is commonly used when the B body was not rear sway bar equipped from the factory. Kit includes CNC machined adapter blocks as well as high quality hardware. Can be used to mount factory sway bars as well.