This cylinder head plate ring provides a seal between the cylinder head and adjacent components in a Citroën DS engine. The ring prevents leakage of fluids and gases along the fastening points. The design matches the dimensions of the relevant bolts and bores. The material is suitable for high temperatures and pressure in the engine block. The ring helps maintain compression and stable engine output. It is used during assembly or overhaul of the cylinder head. Correct installation supports service life and function of engine components and helps limit wear and malfunctions during operation.
