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11 12 Kawasaki KX250F KX 250F 83mm 290cc Athena Big Bore Top Cylinder Piston Kit
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 Years 2011 2012 ONLY. 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.