Description
- All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance
- Made in the U.S.A.
Yamaha — YZ 450 F — (2005, 2006, 2009, 2007, 2008, 2004, 2003); Yamaha — YFZ 450 X 4×2 — (2011, 2008, 2010, 2009); Yamaha — YFZ 450R 4×2 — (2010, 2014, 2018, 2012, 2015, 2017, 2019, 2009, 2011, 2013, 2016); Yamaha — YFZ 450 4×2 — (2004, 2008, 2009, 2005, 2007, 2006); Yamaha — YFZ 450R SE 4×2 — (2011, 2017, 2014, 2016, 2018, 2013, 2015, 2019, 2012, 2010); Yamaha — WR 450 — (2007, 2014, 2011, 2009, 2003, 2012, 2010, 2004, 2008, 2013, 2015, 2006, 2005)






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