90102-ZVA-000 Bolt Special (8X42) - Overview. The 90102-ZVA-000 Bolt Special (8X42) is a critical component designed for Honda marine engine systems. It plays a vital role in securing mechanical assemblies and ensuring the integrity and stability of various marine parts. Engineered to meet exact OEM specifications, this bolt ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Specialized bolt with unique 8x42 dimensions tailored for sp