Hot Cams Exhaust Valve Titanium 8400008-1 for Yamaha WR450F / YFZ450 & More

• Forged
• Precision machined
• Compatible with OEM keepers and retainers
• Designed and manufactured to meet or exceed OEM specs and standards

Fits

• Yamaha WR450F: 2003-2015
• Yamaha YFZ450: 2004-2009
• Yamaha YFZ450 Bill Balance Edition: 2006-2007
• Yamaha YFZ450 SE: 2007-2008
• Yamaha YFZ450R: 2009-2025
• Yamaha YFZ450R SE: 2009-2019
• Yamaha YFZ450X: 2010-2011
• Yamaha YFZ450X Bill Ballance: 2010
• Yamaha YFZ450X SE: 2011
• Yamaha YZ450F: 2003-2009