KIBBLEWHITE Valve Guide - Exhaust - Standard 40-41630

Exhaust valve guides are critical wear points in any high-performance engine, and inadequate materials lead to excessive clearance, oil consumption, and compromised sealing. The KIBBLEWHITE Valve Guide – Exhaust delivers superior heat dissipation and wear resistance through its specialized Ampco-45 copper-nickel compound, ensuring consistent valve seating and longevity under sustained boost and high RPM conditions. When you're building or rebuilding a precision engine, settling for inferior valve guides is a false economy.

• Material: Ampco-45 compound
• Copper content: 80%
• Nickel content: 5%
• Application: Exhaust valve
• Size: Standard
• MPN: 40-41630
• Origin: Made in U.S.A.
• Key benefit: Exceptional heat conductivity
• Key benefit: Wear resistance
• Installation: Professional fabrication recommended