Description
Valve guide wear directly compromises combustion chamber seal and engine performance—this KIBBLEWHITE exhaust valve guide maintains precise bore tolerances and thermal stability under sustained high-RPM operation. Built from Ampco-45, a copper-nickel alloy engineered for racing applications, it delivers superior heat dissipation and wear resistance compared to cast iron alternatives. If you’re rebuilding a high-performance engine or replacing guides on a race motor, this U.S.-manufactured component ensures repeatability and longevity.
- Material: Ampco-45 alloy
- Copper content: 80%
- Nickel content: 5%
- Heat conductivity: Excellent
- Wear resistance: High
- MPN: 80-80780
- Origin: Made in USA
- Application: Exhaust valve
- Installation: Professional machining
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