House Plans Single Story 2000 Sq Ft Uperplans Hardrace Reverse RC Tie Rod End. Roll center tie rod end made with high quality alloy steel. These tie rod ends are designed to have maximum accuracy, which enables them to sustain extensive load. Tie rod ends help keep your vehicle's front wheels stable. They are a ball in socket mechanism that allows the wheels to move up and down and side to side. That is important as the vehicle navigates different types of road surfaces, bumps, potholes, etc . Correct lowered geometry . Direct bolt on with OEM components . Provide better feedback to the driver