Athena 100mm 490cc Big Bore Cylinder & CP Carrillo 13.5:1 Piston Top End Kit! This Is The Best Big Bore Kit On The Market & Is Perfect For Snow Bikes Conversions! Years 2002 2003 2004 2005 2006 2007 2008. 100mm 490cc Nikasil Athena Big Bore Cylinder.
Piston Kit (Includes, Piston, Pin, Rings & Clips). 13.5:1 Compression Ratio. Piston Kit Will Handle Up To +2mm Bigger Valves!Athena Complete Top End Gasket Set. Larger Water Jackets To Keep The Motor Cooler! 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. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Big Bore & Top End Kits". The seller is "azquadparts" and is located in this country: US. This item can be shipped worldwide.