Get the Coolant & Additive product you need when flushing the cooling system in your 2003-2007 Ford 6.0L Powerstroke. In addition to full synthetic antifreezes, you can also get additional additives that provide you with a coolant service life of 150,000 to 750,000 miles. The additives available will reduce engine temperatures, minimize surface tension for more efficient cooling, prevent corrosion, and offer faster warm-ups. Evans, Hot Shot's Secret, XDP, Lucas Oil, DEI, Royal Purple, and Mishimoto are just some of the top manufacturers available at XDP.