The ADJUSTING SCREW for the Citroen 11CV is a critical component of the engine's mechanical valve system. It is designed to ensure the correct tension and adjustment of the valve rockers, which is essential for optimal engine performance. The adjusting screw is made from durable material that withstands high temperatures and pressure within the engine. Precise installation and adjustment are necessary to prevent wear and maintain engine performance. This component helps reduce engine noise and contributes to the smooth and efficient operation of the vehicle.