Supertech Nissan RB26 Factory Shim Replacement 12.15mm Diameter 3.20mm Thickness

Supertech is known for making well-built engine and suspension components for performance applications. This specific part is a factory shim replacement designed for Nissan RB26 engines. It's crucial for fine-tuning your engine's valve lash, ensuring optimal performance and longevity.

This shim measures 12.15mm in diameter and has a thickness of 3.20mm. Using the correct shim size is essential for setting your valve clearances to the manufacturer's specifications. Incorrect valve lash can lead to poor engine performance, increased wear, and even serious engine damage over time. This part offers a direct replacement for your factory shim, making the adjustment process straightforward when you're rebuilding or tuning your RB26.