The FIBERRING VALVE COVER is a crucial component for Citroën vehicles, specifically designed for models such as the 11CV PERFO, 15CV, and HY manufactured until September 1963. This fiber material sealing ring ensures an effective seal between the valve cover and the cylinder head, preventing leaks and guaranteeing optimal engine performance. Its durable construction offers excellent resistance to high temperatures and oil. It is an easy-to-install part that contributes to maintaining engine integrity for classic car enthusiasts and restorers of Citroën models.