Two stroke kits include all applicable O-rings, springs, washers and gaskets
Four stroke kits include the exhaust gasket
Multi-cylinder applications include enough items for the entire machine
Polaris kits include header gaskets on both sides of short header pipe and springs, where applicable
Product Note:
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Yamaha
YFZ450 ATV 2004-2009, 2012-2013
YFZ450R ATV 2009-2024
YFZ450X ATV 2010-2011
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