90002-ZW5-003 Special (8mm) Bolt - Overview. The 90002-ZW5-003 Special (8mm) Bolt is a specialized fastener designed specifically for Honda marine engine systems. This bolt plays a critical role in securely fastening components vital to the engine's mechanical integrity and operation reliability. Crafted to meet exact factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Specialized 8mm bolt tailored for Honda