90758-ZV5-000 Split (4.0) Pin - Overview. The 90758-ZV5-000 Split (4.0) Pin is a vital fastening component specially designed for Honda marine engine systems. This split pin supports the secure assembly of critical components within the propeller and extension case system, playing a crucial role in maintaining the mechanical integrity and operational reliability of the engine. Engineered with precision to factory specifications, this pin ensures seamless integration with existing parts, maintain