Supertech Nissan RB26 Factory Shim Replacement 12.15mm Diameter 3.75mm Thick

Supertech is known for making well-built engine and suspension components for performance applications. This specific part is a factory shim replacement for the Nissan RB26 engine, measuring 12.15mm in diameter and 3.75mm thick. Shims like these are crucial for setting the correct valve lash, which ensures your engine runs smoothly and efficiently.

When rebuilding or tuning an RB26, getting the valve clearances just right is important for optimal performance and longevity. This shim is made to the factory specifications, so you can be confident it will fit and function as intended. Having the correct shims available means you can dial in your valve train precisely, which is key for any serious engine build.