The Prothane rear spring and shackle bushing kit for 1988–1998 GM 2WD and 4WD trucks supplies replacement bushings in black to restore spring mounting points. These urethane-style bushings reduce excessive movement at the rear spring and shackles, helping maintain alignment and ride consistency. Use this kit during spring service or when worn rubber bushings are replaced.
Prothane 88-98 GM 2/4wd Rear Spring & Shackle Bushings - Black