Athena / CP Carrillo / AZ Quad Parts Conglomerate Kit
102mm 500cc Big Bore Cylinder Top End Kit!
This Is The Best Big Bore Kit On The Market!
Fits Yamaha YZ450F & YZ450FX Dirt Bike Models
Years 2010 2011 2012 2013 2014 2015 2016 2017
This kit includes:
It will work with your stock head and valves.
All parts come with warranty.
We ship worldwide & ship all domestic orders free!