Exhaust Valve - Topline Performance Products

Features:

• Bronco? offers OEM replacement valves for both ATV and UTV models


• OEM replacement valves are made of durable SUH35B heat resistant steel that also comes with fill Nitride finish for further durability and resistance to corrosion


• Performance valves receive a swirl polish, smooth stem treatment, and are made of 21-4N/SUH35HT stainless steel. Performance valves are generally reserved for high performance / reving machines so these valves are forged with Stellite-Tipped valve stems.


• All valves are manufactured under ISO 9001 certified factory

Fits
Yamaha YFM660FG Grizzly 4WD [IRS] 2002 to 2008
Yamaha YFM660R Raptor 2001 to 2005
Yamaha YXR660F Rhino 660 2004 to 2007