90071-ZVL-010 Bolt-Washer (8X28) - Overview. The 90071-ZVL-010 Bolt-Washer (8X28) is a crucial component designed specifically for Honda marine engine systems. This bolt-washer combination plays a vital role in securing various engine and rigging components to maintain system integrity and operational reliability. Precision manufactured to meet factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM H