Yamaha Performance Valve Guides provide greatly improved durability for performance applications. A must for racing and high performance engine operation. Sold in sets of 16.

Features:

• Constructed of Aluminum/Bronze/Nickle Alloy.
• Dramatically improves reliability in high boost & high RPM applications.
• Superior material reduces friction and improves oil retention.
• Improved heat dissipation & resistance to heat damage.
• Replaces existing valve guides that are prone to fail in racing conditions.
• Kit includes 6 intake and 6 exhaust guides.