90130-ZY3-620 Stud (12X170) Bolt - Overview. The 90130-ZY3-620 Stud (12X170) Bolt is a critical fastening component designed specifically for Honda marine engine systems. It serves the vital role of securely mounting components within the engine or drive assembly, thereby ensuring structural integrity and reliable operation of the marine equipment. Manufactured to meet precise factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durabil