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- EXHAUST VALVE (QTY 8)
- HEAD DIA, 1.600"
- OAL, 5.450"
- STEM, .311"
- TIP, .250"
- RADIAL GROOVE
Yamaha® YFZ™ 450 2004-2009 Yamaha® YFZ™ 450X 2008-2011 Yamaha® YFZ™ 450R 2009-2020 Yamaha® YFZ™ 450SE 2010-2020 Yamaha® WR™ 450 2003-2015 Yamaha® YZ™ 450F 2003-2009
Yamaha® YFZ™ 450 2004-2009 Yamaha® YFZ™ 450X 2008-2011 Yamaha® YFZ™ 450R 2009-2020 Yamaha® YFZ™ 450SE 2010-2020 Yamaha® WR™ 450 2003-2015 Yamaha® YZ™ 450F 2003-2009
Yamaha® YFZ™ 450 2004-2009 Yamaha® YFZ™ 450X 2008-2011 Yamaha® YFZ™ 450R 2009-2020 Yamaha® YFZ™ 450SE 2010-2020 Yamaha® WR™ 450 2003-2015 Yamaha® YZ™ 450F 2003-2009
Yamaha® YFZ™ 450 2004-2009 Yamaha® YFZ™ 450X 2008-2011 Yamaha® YFZ™ 450R 2009-2020 Yamaha® YFZ™ 450SE 2010-2020 Yamaha® WR™ 450 2003-2015 Yamaha® YZ™ 450F 2003-2009
Yamaha® YZ™ 450F 2014-2019 Yamaha® YZ™ 450FX 2016-2020 Yamaha® WR™ 450F 2016-2021
+.5mm O/Size on 2010-13 Models