Description
Valve shims are critical to maintaining proper valve clearance and preventing catastrophic engine damage from improper valvetrain geometry. These PROX shims deliver precision-machined consistency and heat-treated durability at a fraction of OEM replacement costs, making them the practical choice for both track and street builds. Whether you’re chasing tighter tolerances or need a reliable stock replacement, this 5-pack ensures you have spares on hand for multiple adjustments or engines.
- Quantity: 5-pack
- MPN: 29.890208
- Material: Heat-treated steel
- Precision-machined tolerances
- Reduced wear characteristics
- OEM-equivalent performance
- Cost-effective replacement option
- Bolt-on installation
- Universal fitment compatibility






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