The Hot Cams 8400008-2 Titanium Intake Valve is a precision-engineered replacement valve for select Yamaha YFZ450R and YFZ450X SE performance ATVs. Manufactured by Hot Cams, this forged titanium valve is designed for dependable fitment and consistent operation in demanding powersports applications.
Precision machining helps provide accurate valve geometry and reliable interaction with the cylinder head and valvetrain components. The valve is compatible with OEM keepers and retainers, making it a practical choice for engine rebuilding, maintenance, or performance-oriented replacement work. It is designed and manufactured to meet or exceed applicable OEM specifications and standards.
Fitment includes the 2011 Yamaha YFZ450X SE and Yamaha YFZ450R models from 2009 through 2017. Verify the model year and engine application before installation to ensure proper compatibility. This product is supplied as the Hot Cams titanium intake valve, manufacturer part number 8400008-2, and vendor part number 8400008-2.
Features:
- Forged titanium construction for strength and durability
- Precision machined for accurate fit and consistent valvetrain performance
- Compatible with OEM keepers and retainers
- Designed and manufactured to meet or exceed OEM specifications and standards
- Fits select 2009-2017 Yamaha YFZ450R models and the 2011 Yamaha YFZ450X SE
Fitment:
2003 Yamaha WR450F
2003 Yamaha YZ450F
2004 Yamaha WR450F
2004 Yamaha YFZ450
2004 Yamaha YZ450F
2005 Yamaha WR450F
2005 Yamaha YFZ450
2005 Yamaha YZ450F
2006 Yamaha WR450F
2006 Yamaha YFZ450
2006 Yamaha YFZ450 Bill Balance Edition
2006 Yamaha YZ450F
2007 Yamaha WR450F
2007 Yamaha YFZ450
2007 Yamaha YFZ450 Bill Balance Edition
2007 Yamaha YFZ450 SE
2007 Yamaha YZ450F
2008 Yamaha WR450F
2008 Yamaha YFZ450
2008 Yamaha YFZ450 SE
2008 Yamaha YZ450F
2009 Yamaha WR450F
2009 Yamaha YFZ450
2009 Yamaha YFZ450R
2009 Yamaha YFZ450R SE
2009 Yamaha YZ450F
2010 Yamaha WR450F
2010 Yamaha YFZ450R
2010 Yamaha YFZ450R SE
2010 Yamaha YFZ450X
2010 Yamaha YFZ450X Bill Ballance
2011 Yamaha WR450F
2011 Yamaha YFZ450R
2011 Yamaha YFZ450R SE
2011 Yamaha YFZ450X
2011 Yamaha YFZ450X SE
2012 Yamaha WR450F
2012 Yamaha YFZ450R
2012 Yamaha YFZ450R SE
2013 Yamaha WR450F
2013 Yamaha YFZ450R
2013 Yamaha YFZ450R SE
2014 Yamaha WR450F
2014 Yamaha YFZ450R
2014 Yamaha YFZ450R SE
2015 Yamaha WR450F
2015 Yamaha YFZ450R
2015 Yamaha YFZ450R SE
2016 Yamaha YFZ450R
2016 Yamaha YFZ450R SE
2017 Yamaha YFZ450R
2017 Yamaha YFZ450R SE
2018 Yamaha YFZ450R
2018 Yamaha YFZ450R SE
2019 Yamaha YFZ450R
2019 Yamaha YFZ450R SE
2020 Yamaha YFZ450R
2021 Yamaha YFZ450R
2022 Yamaha YFZ450R
2023 Yamaha YFZ450R
2024 Yamaha YFZ450R
2025 Yamaha YFZ450R