Supertech 8mm Shim 3.10mm Thick

This listing is for one Supertech 8mm shim, measuring 3.10mm thick. These shims are used to adjust valve spring installed height, which is crucial for ensuring proper valve train geometry and spring tension. When rebuilding or modifying an engine, getting the valve spring installed height correct is key to reliable performance.

Supertech makes these shims to precise specifications to help you achieve the exact installed height needed for your specific valve spring setup. Using the correct shim thickness ensures your valve springs are preloaded correctly, preventing issues like valve float or excessive stress on the spring itself. This attention to detail in valve train setup can make a notable difference in engine response and longevity.