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09-16 Honda CRF450R CRF 450R 100m Big Bore Athena Cylinder 14.51 RACE CP Piston
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 Snow Bike Conversion Kits! Years 2009 2010 2011 2012 2013 2014 2015 2016. 100mm 490cc Nikasil Athena Big Bore Cylinder.Larger Water Jackets To Keep The Motor Cooler! CP Carrillo Piston Kit (Includes, Piston, Pin, Rings & Clips). Custom 14.5:1 Compression Ratio (RACE GAS OR ALCOHOL ONLY). Athena Complete Top End Gasket Set. It will work with your stock head and valves.