Height control valves (HCV’s) are one of the most important working components of an air suspension, providing a responsive ride and a stable platform for your load.
Hadley are one of the largest OEM suppliers of air horns in North America and their products can already be found in Australia on many trucks that have been directly fitted in the factory.
Under inflation is the single most costly element of any tyre maintenance program, causing unnecessary heat to prematurely damage tyre casing, eat away tyre tread and increase rolling resistance.