Supertech Nissan RB26 Factory Shim Replacement 12.15mm Diameter 2.80mm Thickness

This is a Supertech valve shim, specifically designed as a replacement for the factory shims in Nissan RB26 engines. It measures 12.15mm in diameter and has a thickness of 2.80mm. Proper valve adjustment is crucial for engine performance and longevity, ensuring the valves open and close at the correct times relative to the piston's movement. These shims are essential for setting the valve lash, which is the small gap between the valve stem and the rocker arm or camshaft lobe.

When rebuilding or performing maintenance on an RB26 engine, having access to precise replacement shims like these is important. Supertech manufactures these shims to meet the specific requirements of the RB26 engine, helping you achieve accurate valve clearance settings. This particular shim has a thickness of 2.80mm, allowing for fine-tuning of the valve lash to factory specifications or custom build requirements.