Description
Valve shim clearance directly impacts valvetrain precision and engine reliability—improper sizing leads to unwanted noise, reduced sealing efficiency, and accelerated wear on critical components. PROX valve shims are precision-machined to exact tolerances and heat-treated for superior hardness, ensuring consistent performance across extended racing sessions and high-mileage applications. This 5-pack provides the flexibility to dial in your valvetrain setup with confidence.
- Quantity: 5-pack
- MPN: 29.948310
- Material: Heat-treated steel
- Precision machined
- Enhanced durability
- Reduced wear rate
- OEM-equivalent tolerances
- Bolt-on installation
- Universal fitment applications









