90010-ZVL-000 Flange (8X55) Bolt - Overview. The 90010-ZVL-000 flange (8X55) bolt is a critical fastening component designed specifically for Honda marine engine systems. It supports the mechanical assembly by securely holding parts together, ensuring reliable operation under harsh marine conditions. As part of the Honda Active product line, this bolt is essential for maintaining structural integrity and durability in your marine engine. Engineered to precise factory specifications, it ensures s