Description
Valve train geometry directly impacts engine performance, and worn or improperly sized shims compromise both power delivery and component longevity. The PROX Valve Shim 5-pack delivers precision-matched replacements that restore exact valve clearances, ensuring optimal lift profiles and reducing unnecessary wear on critical engine components. Whether you’re rebuilding a high-revving race engine or maintaining track-day equipment, these shims are essential for maintaining tight tolerances and consistent performance.
- 5-pack quantity
- MPN: 29.948225
- Precision machined
- Heat-treated steel
- Exact size matching
- Reduced wear rate
- Hardened finish
- Valve clearance adjustment
- Universal fitment
- OEM replacement quality






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