Find the Coolant & Additives you need when servicing the cooling system in your 1994-1997 Ford 7.3L Powerstroke. These additives will minimize surface tension for more efficient cooling, prevent corrosion, offer faster warm-ups, and reduce engine temperatures. Full synthetic and conventional antifreeze with supplementary ingredients provide you with a service life from 150,000 and 750,000 miles. XDP offers Hot Shot's Secret, XDP, Lucas Oil, DEI, Royal Purple, Mishimoto, and Evans products.