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02-08 CRF450R CRF 450R 100mm Big Bore Stroker Complete Motor Engine Rebuild Kit


Compatible Vehicles
Submodel Year Make Model
-- 2008 Honda CRF450R
-- 2007 Honda CRF450R
-- 2006 Honda CRF450R
-- 2005 Honda CRF450R
-- 2004 Honda CRF450R
-- 2003 Honda CRF450R
-- 2002 Honda CRF450R


  • 100mm big bore nikasil cylinder case boring required
  • Wiseco or CP forged big bore piston
  • Piston rings
  • Wristpin
  • Circlips
  • Hotrods +3mm stroker crank with rod
  • Crank bearings
  • Transmission bearings
  • Water pump mechanical seal, shaft, and bearing
  • Complete gasket kit
  • Complete seal kit
  • Cam chain
  • Stud kit
  • Clutch kit

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

Please check your order thoroughly when receiving it.  If for any reason at all you are not 100% happy please contact us right away so we can help resolve the issue.  If for any reason at all you are not happy with your order you are welcome to return it UNOPENED NEVER INSTALLED AND BRAND NEW IN THE ORIGINAL PACKAGING for a FULL REFUND, NO QUESTIONS ASKED!

*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.