Athena 83mm 290cc Big Bore Cylinder Top End Kit! This is the best and most reliable big bore kit on the market! Fits Kawasaki KX250F & Suzuki RMZ250 Years 2004 2005 2006 2007 2008. 83mm 290cc Nikasil Athena Big Bore Cylinder. Athena 83mm Coated Piston Kit (Includes, Piston, Pin, Rings & Clips).
Athena Complete Top End Gasket Set. Larger Water Jackets For Better Cooling! It will work with your stock head and valves.