90049-ZVL-000 Flange (8X30) Bolt - Overview. The 90049-ZVL-000 Flange (8X30) Bolt is a crucial fastening component in Honda marine engine systems. Designed to secure parts with precision and durability, this bolt ensures seamless integration with existing parts, maintaining optimal performance and durability in demanding marine environments. Engineered specifically for Honda marine applications, it supports the assembly and mechanical stability of various marine systems while resisting corrosion