This cylinder head bolt is designed for the Citroen 11CV models 11D and HY, produced between 1958 and September 1963. It is a crucial component for securing the cylinder head to the engine block, significantly impacting the engine's operation and performance. Made from high-quality, durable materials, this bolt offers reliability under high pressure and temperatures, necessary for optimal engine function. It’s specifically crafted for models within this production period, so ensuring the correct specification is essential for a proper fit and performance.