90114-HW1-671 Flange (8X35) Bolt - Overview. The 90114-HW1-671 Flange (8X35) Bolt is a crucial fastener used in Honda marine engine systems. This bolt plays an essential role in securely mounting components, particularly flanges, ensuring that your equipment operates reliably under demanding marine conditions. Manufactured with precision, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine Honda OEM flange bolt designed spec