Athena Top End Gasket Kit - Yamaha P400485600069

• Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not include valve stem seals, rubber part, shims or other fiber gaskets.

Yamaha -- WR 450 F -- (2007, 2008, 2010, 2009, 2011, 2012, 2013, 2014); Yamaha -- YZ 450 F -- (2009, 2006, 2007, 2008); Yamaha -- YFZ 450R 4x2 -- (2018, 2019, 2014, 2010, 2016, 2013, 2009, 2017, 2011, 2015, 2012); Yamaha -- YFZ 450R SE 4x2 -- (2010); Yamaha -- YFZ 450 4x2 -- (2017); Yamaha -- YFZ 450 X 4x2 -- (2010)