Kibblewhite 40-40829 Bronze Valve Guide +0.010 Oversize Intake/Exhaust

The Kibblewhite 40-40829 is a precision-engineered bronze valve guide designed for both intake and exhaust applications. This guide features a +0.010" oversize dimension for proper fitment when repairing worn cylinder heads, making it ideal for engine rebuilds and performance applications.

Material and Construction:

• Manufactured from C63000 nickel-aluminum bronze alloy for superior durability
• 5% nickel content provides exceptional wear resistance in high-temperature environments
• 80% copper composition delivers outstanding heat conductivity to prevent valve stem damage
• KPMI profile design minimizes airflow disruption while maintaining critical wall thickness

Application:

• Compatible with Kawasaki Ninja 650R models (2006-2016)
• Suitable for both intake and exhaust valve positions
• Oversize dimension compensates for worn guide bores in cylinder head

Kibblewhite's proprietary guide profile maintains optimal valve stem clearances while promoting airflow efficiency and long-term reliability. The bronze construction provides self-lubricating properties and excellent thermal management, making these guides a trusted choice for both street and performance engine builds.