These are the best Concours radiator hoses on the market. All feature special white ink markings that have been designed to adhere to the hose under normal conditions, imprint will not come off even when in contact with Antifreeze. All have imprints that are very crisp and authentic. Each imprint is Concours correct for the specific application year. Represented by an oval FoMoCo, rectangle FoMoCo, Autolite logo or Motorcraft.