DeWitts Pro-series aluminum radiators feature two rows of 1.0-inch wide cooling tubes which provides a 25 percent increase in cooling performance. Our Direct Fit® aluminum radiators feature factory-type press-formed end tanks, serpentine fins, and factory-type upper and lower channels. Each radiator core is assembled and brazed in our state-of-the-art aluminum brazing furnace. DeWitts radiators are also epoxy free and come with a limited lifetime warranty. Direct Fit® is our official trademark and it means your radiator will fit, without modifications.