Description
Valve shim clearance directly impacts engine compression, valve timing precision, and overall reliability—especially under high-RPM conditions. PROX Valve Shims are precision-machined to exact tolerances, eliminating guesswork during top-end rebuilds and ensuring consistent performance across multiple heat cycles. Whether you’re dialing in a stock engine or optimizing a race build, proper shim selection is non-negotiable for longevity and peak power delivery.
- 5-pack quantity
- MPN: 29.948270
- Precision CNC-machined
- Heat-treated steel
- Maximum hardness rating
- Minimized wear characteristics
- Exact size tolerance
- OEM-compatible fitment
- Professional-grade construction
