Mishimoto MMHOSE-F2D-08BL Ford 6.4L Powerstroke Silicone Coolant Hose Kit, 2008-2010, Blue Direct fit for 6.4L Powerstroke Double O-ring design prevents air pockets from entering cooling system High grade silicone and heat-resistant embedded fibers feature max temp of 330F Four 6061 aluminum CNC-machined couplers mate hoses to radiator Mishimoto Lifetime Warranty