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.
                
            - 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.