KIBBLEWHITE Valve Guide - Standard - Intake/Exhaust 91-91320M

Valve guides are critical to maintaining proper valve sealing and preventing excessive oil consumption—a worn guide compromises both performance and engine longevity. The Kibblewhite Standard Valve Guide delivers the thermal conductivity and wear resistance your engine needs to handle sustained high-RPM operation. Built from Ampco-45 copper alloy, this guide resists the thermal cycling and friction that degrades inferior materials, ensuring consistent valve alignment across thousands of heat cycles.

• Material: Ampco-45 copper alloy
• Copper content: 80%
• Nickel content: 5%
• Heat conductivity: Superior thermal transfer
• Wear resistance: High-performance rated
• Fitment: Intake/Exhaust compatible
• Manufacturing: Made in U.S.A.
• Installation: Professional machine work required