Here is a new Wrench Rabbit complete engine motor rebuild kit. FITS HONDA CRF450X Years • 2005 2006 2007 2008 2009 2012 2013 2014 2015 2016 Does NOT appear to be compatible with years 2010 2011 from that series of 450s. Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild Vertex piston kit (standard compression piston, rings, pin and clips) Hot Rods heavy-duty crank (stock stroke - includes wrist pin bearing for two strokes) Hot Rods main bearing/seal kit Hot Rods transmission bearing kit (includes transmission bearings, output shaft collar and sprocket lock washer) Hot Rods counter balancer bearing kit Hot Rods water pump bearing and seal kit Vertex complete gaskets kit, including seals and O-ring kit (covers top and bottom) Complete Engine Rebuild Kit Includes: Vertex Piston Kit standard compression piston, rings, pin and clips. Hot Rods Heavy Duty crank stock stroke - includes wrist pin bearing for two strokes. Hot Rods main bearing/seal kit Hot Rods transmission bearing kit includes transmission bearings, output shaft collar and sprocket lock washer. Hot Rods counter balancer bearing. Kit Hot Rods water pump bearing and seal kit. Vertex complete gaskets kit including seals and O-ring kit (covers top and bottom). Hot Cams cam chain. Fit: Dirt Bike Honda CRF 450 X 2005. Dirt Bike Honda CRF 450 X 2006. Dirt Bike Honda CRF 450 X 2007. Dirt Bike Honda CRF 450 X 2008. Dirt Bike Honda CRF 450 X 2009. Dirt Bike Honda CRF 450 X 2010. Dirt Bike Honda CRF 450 X 2011. Dirt Bike Honda CRF 450 X 2012. Dirt Bike Honda CRF 450 X 2013. Dirt Bike Honda CRF 450 X 2014. Dirt Bike Honda CRF 450 X 2015. Dirt Bike Honda CRF 450 X 2016. 100% Brand New Aftermarket Unit Meets or Exceeds OEM Specs for Fit and Performance