90108-ZV7-000 Hex (8x163) Bolt - Overview. The 90108-ZV7-000 Hex (8x163) Bolt is a crucial component within Honda marine engine systems. This bolt plays an essential role in securely fastening various assemblies, thereby ensuring reliable performance and safety during operation. Manufactured to meet Honda's strict factory specifications, it guarantees seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Specifically designed hex bolt measuring