Powerdown Hadley Smart Height Control Valve for Mack TOYOTA-LANDCRUISER-60 Series Post 10/1985 Large rear pockets and head

Large rear pockets and head rest covers as standard

Engineered for strength and reliability

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Powerdown Hadley Smart Height Control Valve for Mack TOYOTA-LANDCRUISER-60 Series Post 10/1985 Large rear pockets and headPowerdown Hadley Smart Height Control Valve for Mack Height control valves (HCVs) are the brains of an air suspension system. They sense ride height relative to the chassis and control airflow to the air springs to maintain the correct suspension height under varying loads. A slow, sticking or failed HCV means the suspension cannot respond quickly enough to load changes eliminating the load distribution, ride quality and tyre life benefits that air