90106-ZV4-010 Stud (5X12) Bolt - Overview. The 90106-ZV4-010 Stud (5X12) Bolt is a critical component used in Honda marine engine systems. It serves as a durable fastening element, designed to secure specific components within the engine or extension case systems, ensuring reliable operation and structural integrity. Crafted to match factory specifications, this stud bolt provides seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine Hon