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Brand New Complete 89mm 440cc Big Bore Top End Kit!
ADD POWER TO YOUR 400EX TOP END!!
Fits Honda TRX400EX, TRX400X, and XR400
Years 1999 2000 2001 2002 2003 2004
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
This kit includes:
- NEW 89mm Cylinder
- 12:1 JE piston kit with wrist pin and clips
- Cometic top end gasket kit
- NGK Spark Plug
This kit is compatible with all OEM components. The piston uses race gas. All parts are warrantied
We ship worldwide & ship all domestic orders free!