KIBBLEWHITE Guide Valve - Standard 70-0331

Valve guides are critical to maintaining proper valve seat geometry and preventing excessive valve stem wear—issues that directly compromise combustion efficiency and engine longevity. The KIBBLEWHITE Guide Valve (Standard 70-0331) delivers precision engineering with material science that outperforms standard cast iron, ensuring your engine maintains tight tolerances under sustained high-RPM operation. Whether you're rebuilding a race engine or restoring a classic, this guide provides the durability and heat dissipation required for reliable performance.

• Material: C63000 nickel bronze
• Nickel content: 5%
• Copper content: Approximately 80%
• Key benefit: Superior wear resistance
• Thermal property: Excellent heat conductivity
• Seal compatibility: OEM seals required
• Installation: Requires professional machine work
• Fitment: Engine-specific (verify application)