KIBBLEWHITE Manganese Valve Guide — Oversize +0.003, 0.376" ID, 0.568" OD – 48-69, 72 Big Twin

Precision-machined manganese bronze valve guides designed for easy installation and long service life. 🔧

• Precision-machined guides
• Manganese bronze guide material is softer than nickel aluminum bronze valve guides for easier finishing
• Excellent heat conductivity which promotes long valve life
• Guides can be easily reamed with a battery-operated or electric drill and finished with a high-quality ball hone
• Eliminates the need for expensive honing equipment that would be required for nickel bronze valve guides
• Machined to accept OEM and aftermarket seals
• Made in the USA 🇺🇸
• Requires the use of either Viton® or teflon valve seals. No machining required.