Brand new Nakasil plated cylinder and forged piston kit for 2004-2008 KX250F. This is a high quality forged piston, not cast like some of the cheaper kits out there. Includes everything shown in the photo including cylinder, forged piston, rings, wristpin, clips, gasket. Everything you need to replace your piston and cylinder is included. In Stock ready to ship. Fast free shipping inside the US! Fits 2004 2005 2006 2007 2008. Message me with questions. We don't just sell parts we also build engines.