Dano's Performance 2009 -12 Honda CRF450R Ported Cylinder Head. Dano's Performance is now offering brand new ready to install ported cylinder heads for the 2009-12 Honda CRF450R models with no core required. Just bolting this cylinder head on your engine will increase both torque and horsepower. You will just need to transfer the rocker arm assemblies and camshafts from your cylinder head to this new ported cylinder head and go!! The following is a list of Honda part numbers included with this package. (2) INTAKE VALVES (14711-MEN-A30). (2)INTAKE SPRINGS (14751-MEN-A30). (2)INTAKE VALVE SEALS (12209-GB4-682). (2) INTAKE VALVE RETAINERS (14772-MEB-670). (4) INTAKE VALVE COTTERS (14781-MAT-000). (2) EXHAUST VALVES (14721-MEN-A30). (2) EXHAUST…