Brand New 440cc 89mm Complete Top End Big Bore Kit

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 & Clips
  • Stage 3 Hotcam
  • Cam Chain
  • Cometic Top End Gasket Kit
  • Valves Stem Seals
  • NGK 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!