Supertech Nissan RB26 Factory Shim Replacement 12.15mm Diameter 2.90mm Thickness

Supertech is well-known for making performance engine components, and this valve shim is a perfect example of their attention to detail. If you're working on a Nissan RB26 engine, getting the valve lash set just right is critical for performance and longevity. This shim is designed to replace the factory shim and allows for a precise adjustment to your valve clearance.

This particular shim measures 12.15mm in diameter and has a thickness of 2.90mm. Using the correct shim size ensures that your valves open and close at the exact right moments, which is crucial for efficient combustion and preventing damage to your engine's valvetrain. When you're rebuilding or tuning an RB26, having access to accurate replacement shims like this one from Supertech makes the job much more straightforward.