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TRX 400EX 400X XR400 440 Big Bore 89mm Cylinder Stage 3 Cam Complete Top End Kit

$599.99

Compatible Vehicles
Submodel Year Make Model
TRX400EX 2x4 2008 Honda Sportrax 400
TRX400EX 2x4 2007 Honda Sportrax 400
TRX400EX 2x4 2006 Honda Sportrax 400
TRX400EX 2x4 2005 Honda Sportrax 400
TRX400EX 2x4 2004 Honda Sportrax 400
TRX400EX 2x4 2003 Honda Sportrax 400
TRX400EX 2x4 2002 Honda Sportrax 400
TRX400EX 2x4 2001 Honda Sportrax 400
TRX400EX 2x4 2000 Honda Sportrax 400
TRX400EX 2x4 1999 Honda Sportrax 400
2x4 2014 Honda TRX400X
2x4 2013 Honda TRX400X
2x4 2012 Honda TRX400X
2x4 2009 Honda TRX400X
FITS ALL HONDA TRX400EX, XR400, AND 400X YEARS AND MODELS! 

  • 89mm after market cylinder
  • 11:1 JE or Wiseco forged piston
  • Hi temp piston rings
  • DLC coated pin
  • Circlips
  • Head stud kit
  • Cometic top end gasket kit
  • Hotcams Stage 3 Camshaft
  • PHONE AND ONLINE TECH SUPPORT
  • Install and break in instructions

This is a bolt on kit with no machining required for cylinder OR head studs.  Piston uses pump or race gas.  Everything is new in the original packaging and the manufacturer's warranty applies*.  

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Please check your order thoroughly when you receive it and contact us if you have any issues at all.  If you are not 100% happy with what you receive you are welcome to return it for a full refund, not questions asked!  Thanks!!

*We recommend that this be installed by a qualified mechanic with experience doing this type of work.  Warranty does not cover any failure that is a result of improper installation, improper break in, improper tuning, or misuse.  For any warranty to be considered the part(s) in questions must first be sent to us for inspection.  We can not warranty anything based on phone calls or photos alone.