Brand New Complete Top End Athena / JE Big Bore Kit

Fits Yamaha YZ450F Dirt Bike Models 

Years 2006 2007 2008 2009

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 To Keep The Motor Cooler!
• JE 13:1 Piston Kit (Includes Piston, Rings, Pin & Clips) (Perfect For Pump Gas)
• Athena Complete Top End Gasket Kit

All of the parts in this auction come with a warranty.  Piston uses pump gas or race gas.

We ship worldwide & ship all domestic orders free!