The centrifugal governor CARB.LHM is a vital component of the Citroën DS, specifically designed to regulate the flow of fuel and air mixture to the engine. This mechanism utilizes centrifugal force to control the throttle position, resulting in optimal performance and efficient fuel use. This governor plays a key role in the unique hydropneumatic suspension system of the Citroën DS, providing a smooth and comfortable driving experience. It helps ensure engine components work efficiently, minimizes wear and tear, and contributes to the reliability and longevity of an iconic classic like the Citroën DS.