90550-ZW5-710 Shim C (0.30) - Overview. The 90550-ZW5-710 Shim C (0.30) is an essential thrust shim used in Honda marine engine systems. This shim's primary purpose is to adjust clearances and align mechanical components accurately to ensure the smooth and efficient operation of the engine. Crafted with high-quality materials to factory tolerances, it guarantees reliability and seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precise 0.30mm