KIBBLEWHITE Intake Valve Guide 30-30930

Valve guides are critical to controlling oil consumption and maintaining precise valve seat alignment under extreme combustion pressures. A worn or damaged guide compromises engine sealing, increases blow-by, and accelerates cylinder head wear. The KIBBLEWHITE 30-30930 Intake Valve Guide delivers the thermal management and durability needed to keep your engine running clean and efficient across extended high-RPM operation.

Built from Ampco-45—an 80% copper, 5% nickel alloy—this guide dissipates heat away from the valve seat while resisting the galling and wear that standard cast iron guides cannot withstand. Made in the U.S.A., it's engineered for serious engines where precision and longevity matter.

• Material: Ampco-45 alloy
• Copper content: 80%
• Nickel content: 5%
• Application: Intake valve
• MPN: 30-30930
• Thermal conductivity: Excellent
• Wear resistance: High
• Origin: Made in U.S.A.
• Installation: Professional machine work