Motorcycle valve adjustment shims by HotCams with a diameter of 8.9mm. Valve adjustment shims are used for precise adjustment of the valve clearance in the engine, ensuring optimal contact between the camshaft and valves. This contributes to smooth engine operation, efficient combustion, and longevity of components. These particular shims are suitable for both factory and modified engines, offering reliable and stable valve adjustment in all conditions. See Description & Specifications

• Diameter: 8.9mm
• Thickness: 2.12mm