An exhaust valve seat for a Citroen 11CV/15CV cylinder head is a vital component ensuring a proper seal between the exhaust valve and the cylinder head. This precision part helps prevent gas leaks from the combustion chamber, enhances engine efficiency, and reduces noise. Designed for durability and reliability, this seat plays a crucial role in maintaining engine performance and lowering emissions. It is specifically suited for the Citroen 11CV and 15CV models, renowned for their historical and mechanical significance, and is perfect for restoration or regular maintenance.