KIBBLEWHITE Manganese Valve Guide — Oversize (+0.001") – 48-69, 72 Big Twin

Precision-machined manganese bronze valve guides designed for reliable, long valve life. 🔧

• Manganese bronze material is softer than nickel aluminum bronze, improving seal compatibility.
• Excellent heat conductivity promotes longer valve life.
• 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 required for nickel bronze 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.