Description
Valve shim clearance directly impacts your engine’s reliability and performance—improper specs lead to valve float, bent pushrods, and catastrophic failure. PROX valve shims are precision-machined to exact tolerances and heat-treated for durability, ensuring consistent performance across heat cycles. This 5-pack gives you the right sizes to dial in your valve train without guesswork.
- Quantity: 5-pack
- Manufacturer Part Number: 29.948200
- Heat-treated for durability
- Precision-machined tolerances
- Reduced wear characteristics
- OEM-spec sizing
- Universal fitment
- Bolt-on installation









