Supertech Nissan RB26 Factory Shim Replacement 12.15mm Diameter 3.30mm Thickness

Starting with a precise 3.30mm thickness and a 12.15mm diameter, these Supertech shims are made to replace the factory ones in your Nissan RB26 engine. When you're rebuilding the top end or doing a valve adjustment, getting the valve lash set just right is critical for performance and engine health. These shims are designed to help you achieve that precise setting.

Made from durable steel, these shims are built to withstand the heat and pressure within the valve train. They are a direct replacement for the stock shims, meaning they'll fit into your existing valve adjustment setup without any modifications. Having the correct size shims on hand is essential for ensuring your RB26 runs smoothly and efficiently after any top-end work.