Steering stabilizers are designed to restrain "bump steer" and front end vibration, giving added life to tires, ball joints, and other steering components.Easy bolt-on installation. Improves control and handling. Reduces bump steer. Reduces tie rod and ball joint wear and tear. Chrome hardened 18mm piston rodONLY fits models equipped with 4 - 6.5-inch of suspension lift. ONLY fits models with stock steering setup.1-2 hourshttps://s3.amazonaws.com/roughcountry/install/82180.pdf1987-1995:4WD:Jeep:Wrangler YJ