Riva Performance Valve Guide Kit For Yamaha Watercraft 59-2276

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