Kibblewhite Valves are a High Performance Stainless Steel Valves.
These Kits Fit: 04-05 Honda TRX450R
Standard Size Valves are a direct replacement for the OEM Valves. They will work with stock valve springs where allowed by the camshaft.
Oversize Valves are recommended to be ran with Valve Spring Kit, Kibblewhite Spring Kit recommended for most applications.
Valve Seat Re-cutting is highly recommended when installing new valves. This will insure proper valve seat seal and allow the engine to produce optimum power and have the best reliability.