90557-ZY3-000 Shim J (2.65) - Overview. The 90557-ZY3-000 Shim J (2.65) is a precision thrust shim used within Honda marine engine systems. It plays a crucial role in maintaining proper alignment and spacing in engine assemblies, ensuring smooth and efficient operation. As a genuine OEM component, this shim is designed to exact factory specifications including a thickness of 2.65mm, providing the precise adjustment needed for optimal performance. The shim integrates seamlessly with existing engi