ECMRAD Aluminum Radiator is produced and designed to provide maximum cooling efficiency to prevent engine cooling failure. It is made of full aluminum light-weight, and high-heat transferring aluminum features a tube and fin design that, dramatically increases surface area that enables the heat to dissipate more efficiently. It has an increased durability over the factory plastic end tank radiator, and much inmprovwed engine cooling. Most importantly, it has a much higher capacity for coolant than stock ones, which means that your cooling system will be more efficient and will be more resistant to temperature surges in racing applications. This Aluminum Radiator Compatible for: for 2003-2007 Ford 6.0L for Ford Excursion 6.0L 2003 2004 2005 2006 2007 for Ford F-250 Super Duty 6.0L 2003 2004 2005 2006 2007 for Ford F-350 Super Duty 6.0L 2003 2004 2005 2006 2007 for Ford F-450 Super Duty 6.0L 2003 2004 2005 2006 2007 for Ford F-550 Super Duty 6.0L 2003 2004 2005 2006 2007 for 2006-2007 Ford F53 V10 6.8 L Radiator Size Details: Core Size: 29.06inch x 28.54inch Overall Size: 30.2inch x 34.5inch x 4.5inch Inlet/Outlet Diameter: 1.77inch& .97inch Surface finish: Aircraft 5057 grade aluminum tank & core Radiator Cap: CNC machined filler neck and cap Petcock Drain: OEM style brass petcock drain