STUD VALVE COVER M9

This M9 rocker cover stud is used to secure the rocker cover to the cylinder head of a Citroën 11CV or 11D engine. The stud provides a stable connection between cover and engine block and helps reduce oil leakage at the sealing surface. The M9 thread allows firm clamping force together with matching nuts. The length is matched to the engine design so the cover is pressed down in an even way. This part is installed during service or overhaul of classic engines from this series and supports a reliable mounting of the rocker cover during regular engine operation.