Supertech Nissan RB26 Factory Shim Replacement Dia 12.15mm Thickness 3.175mm

Supertech offers a direct replacement valve shim for your Nissan RB26 engine. This shim measures 12.15mm in diameter and is 3.175mm thick, designed to match the specifications of the factory shim. Proper valve clearance is crucial for engine performance and longevity, ensuring your valves open and close at the correct times. Using a precisely sized shim like this one helps you achieve and maintain the correct valve lash settings during engine assembly or tuning.

These shims are made to exact factory dimensions, making installation straightforward when you're rebuilding or servicing your RB26 engine's valvetrain. Ensuring accurate valve clearance prevents issues like valve float or excessive wear on camshaft lobes and valve stems. This particular shim is a common size needed for setting valve lash on many RB26 applications.