Athena / CP Carrillo / AZ Quad Parts Conglomerate Kit 

100mm 490cc Big Bore Cylinder Top End Kit! 

This Is The Best Big Bore Kit On The Market And Is the Best Set Up For Drag Racing!!!

Fits Honda CRF450R

 Years 2009 2010 2011 2012 2013 2014 2015 2016

This kit includes:

• 100mm 490cc Nikasil Athena Big Bore Cylinder
• Larger Water Jackets For Better Cooling!
• CP Carrillo Piston Kit (Includes, Piston, Pin, Rings & Clips)
• Custom 14.5:1 Compression Ratio (RACE GAS OR ALCOHOL ONLY)
• Piston Kit Will Handle Up To +1mm Bigger Valves!
• Athena Complete Top End Gasket Set

For the most reliability and longevity we recommend

installing this kit with a new OEM crankshaft or preferably with our CP

Carrillo heavy duty rod. This kit must be installed by a qualified professional

and dyno tuned to ensure the proper AFR. Failure to adhere to our

recommendations can lead to possible warranty denial.

We ship worldwide & ship all domestic orders free!