Motorcycle Cylinder Head Base Pipe Gasket Fit For Kawasaki KX450F KXF450 2009-2011 Engine Replacement Parts Fit For KX450F KX450 F KXF450 2009-2011; cylinder head pipe assembly structure Direct replacement; aligns mounting holes; no or extra required Seals cylinder head connection; avoids leakage; maintains stable engine running power density composite material; bears long period temperature operation; steady texture during long distance riding molded processing; even uniform thickness; same outline dimension as spare gasket