Supertech Nissan RB26 Factory Shim Replacement 12.15mm Diameter 2.25mm Thick

When you're rebuilding the top end of your Nissan RB26 engine, getting the valve lash set just right is critical for performance and longevity. These factory shim replacements from Supertech are designed to help you achieve that precise adjustment. They are made to the exact factory specifications for the RB26, ensuring they'll work correctly with your existing valve train components.

This particular shim measures 12.15mm in diameter and is 2.25mm thick. Using the correct shim size is essential for maintaining the proper gap between your camshaft and the valve bucket, which directly impacts how efficiently your engine breathes and how smoothly it runs. Supertech is known for making well-built engine components, and these shims are no exception, offering a reliable solution for your engine build.