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07-15 ATHENA WR450F WR 450F 98mm 478cc CP Piston Big Bore Cylinder Top End Kit
Brand New Complete Top End Athena / CP Carrillo Big Bore Kit. Fits Yamaha WR450F Dirt Bike Models. Years 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Add Amazing & Reliable Power With The Best Components In The Industry! This Complete Big Bore Top End Kit Includes. Athena 98mm Big Bore Nikasil Plated Cylinder. Larger Water Jackets For Superior Cooling! CP Carrillo 13.5:1 Piston Kit (Includes Piston, Rings, Pin & Clips) (Used With Pump Or Race Gas).
Athena Complete Top End Gasket Kit. Piston uses pump gas or race gas.