Supertech Nissan RB26 Factory Shim Replacement Dia 12.15mm Thickness 3.225mm

With a diameter of 12.15mm and a thickness of 3.225mm, these valve shims from Supertech are made to precise factory specifications for the Nissan RB26 engine. When you're rebuilding the top end or just doing a valve adjustment, getting the valve lash set just right is critical for engine performance and longevity. These shims are designed to replace the factory ones, ensuring you can achieve the correct clearance.

Supertech is known for making well-built engine components, and these shims are no exception. They are made to the exact dimensions needed to properly set your valve lash, which is essential for proper valve seating and timing. Using the correct size shims helps ensure your engine runs smoothly and efficiently.