AJUSA RHS CYLINDER HEAD GASKET TO SUIT CITROEN C5 ES9A 2.9L V6Ajusa Cylinder Head Gasket: Precision Engineered for Engine Protection Ajusa head gasket is meticulously designed to provide a reliable seal between the engine block and cylinder head, ensuring efficient combustion and preventing fluid leakage. A failing head gasket can cause overheating, coolant loss, white smoke, misfires, and oil contamination, often due to internal leaks that may lead to serious damage if left unresolved. This gasket delivers