92900-08040-0B Stud (8X40) Bolt - Overview. The 92900-08040-0B Stud (8X40) Bolt is a critical fastening component within Honda marine engine systems. This stud bolt is primarily used to secure and mount various engine components, ensuring operational reliability and structural integrity under diverse marine conditions. Designed to OEM specifications, it integrates seamlessly with existing engine parts, maintaining the high performance and durability expected from genuine Honda equipment.. Key Fe