90106-ZVA-000 Swivel Case Bolt - Overview. The 90106-ZVA-000 Swivel Case Bolt is a critical component in Honda marine engine systems. It secures the swivel case in place, ensuring stable mechanical performance and reliable operation. Designed with precision to meet factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. OEM genuine Honda part designed specifically for marine engine swivel cases.. Maintains factor