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experienced engine builders
cam profiles
Heavy-Duty Head Bolts – Ensuring a strong
and keep your four-stroke running crisp
you can expect a direct fit without the need for additional machining
Yamaha YFZ450R YFZ 450R YFZ450X 98mm 480cc Big Bore Cometic Top End HEAD Gasket Koyo experienced engine buildersCometic Top End 98mm 480cc Big Bore Head Gasket Fits Yamaha YFZ450R & YFZ450X Fuel Injected Models ONLY Years 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Fits Yamaha YZ450F Dirt Bikes Years 2006 2007 2008 2009 ONLY Fits Yamaha WR450F 2007 2008 2009 2011 2012 2013 2014 PART NO: H2477SP1027S (Same Head Gasket Used in C3178, C3279, C3178 EST, C3279 EST Top End Gasket Kits) UPC NO: 191070032715 Replaces Yamaha OEM Part#
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