The hex nut crankshaft is a crucial component for the Citroën 15CV. This high-quality nut ensures a secure attachment of the crankshaft, allowing the engine to perform optimally. Made from durable material, it offers excellent resistance to wear and high temperatures. Specifically designed for the Citroën 15CV, it guarantees a perfect fit and functionality. This particular hex model makes installation straightforward and effective. It is an essential component for ensuring the reliability and longevity of the Citroën 15CV engine. A must-have for enthusiasts and restorers of classic Citroëns.