UMI Performance 79-98 Ford Mustang Rear Lift BarsYou thought the notorious South Side Machine lift bars were done? Well, we brought them back! The UMI lift bars replace your stock control arms adding tremendous track gains while keeping your ride height the same and eliminating your quad shocks. Lift bars are designed to work with axle torque to load the chassis of the car, forcing the rear wheels downward while pushing the tires into the ground for harder launches and improved 60 foot times. These