KIBBLEWHITE Manganese Valve Guide — 0.3760" ID, 0.5650" OD, Standard – 48-69, 72 Big Twin

🔧 Precision-machined valve guides designed for reliable valve operation and long service life.

• Manganese bronze guide material offers a softer alternative to nickel aluminum bronze for easier finishing.
• Excellent heat conductivity promotes extended valve life and consistent performance.
• Guides accept OEM and aftermarket seals and can be reamed with a battery-operated or electric drill and finished with a high-quality ball hone.
• Eliminates the need for expensive honing equipment required by some bronze guides.
• Made in the USA; requires the use of either Viton® or teflon valve seals. No machining required for seal fitment.

Easy to install and service, these guides are ideal for builders and shops seeking a reliable, serviceable valve guide solution. ✅