All of our turbochargers that we rebuild for Ferrari are Ultra Sonically cleaned, inspected for cracks, signs of heat stress and then measured to be within the specs for assembly. Any surfaces that your Ferrari turbocharger(s) require to be refinished/squared are performed on our In-House CNC machines. All of our Ferrari turbochargers are rebuilt using components that are at or above OEM quality. All of Pro Systems Ferrari turbochargers are Dual Plane Digitally/Computer balanced to ensure smooth operation and long life.