The Haldex 5.5" Linkage Arm Precision Response Plus Height Control Valve is designed to provide precise control and response in maintaining the ride height of the vehicle. It helps ensure accurate and consistent adjustment of the suspension system, enabling precise adjustment to the variation in driving height. The valve provides faster and more accurate response to changes in load and road conditions, allowing for a smoother ride and improved handling. FleetPride is your First Click in Heavy Duty®.