The CIL.MANIFOLD STUD Citroen HY -9/63 is a specialized engine component, designed for the Citroën HY van manufactured up to September 1963. This part is essential for connecting the intake or exhaust manifold to the engine cylinders, ensuring optimal performance and efficiency. Made from hardened steel for durability, it provides stability and withstands high temperatures and pressure. This stud is crucial for the proper functioning and maintenance of the mechanical integrity of classic vehicles and is a must for restorers aiming for authenticity in their classic renovation projects.