Install these in place of your stock rubber bushings that fail and allow excess movement of the twisting beam. These are a great mod for handling because the stock rubber bushings allow the roll center to move around as you are driving the car. These will lock the pivot points of the twisting beam in place and will stop that roll center movement. They will also eliminate the bind and friction rubber bushings cause. These include larger bolts and will need the bracket holes drilled from 12mm clearance hole to 14mm clearance hole. This can be done with hand drill in a few minutes.
