Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium Radiators meet or exceed the performance of the original equipment they replace. That extends to all components, including engine and transmission oil coolers. OE design to ensure exact fit, form and function for an easy drop-in installation Built with high density multi-louvered fins for maximum cooling efficiency All radiators are subjected to an aging and endurance test in order to validate their performance under extreme weather conditions Engineered to stringent tolerances designed by our in house engineering team who have in-depth knowledge of the OE part it's designed to replace Engineered to stringent tolerances designed by our in house engineering team who have in-depth knowledge of the OE part it’s designed to replace Gasket and O-rings are thermal shocked to ensure durability in extreme cold weather Installation guidelines provided in the box