DeWitts aluminum radiators use the finest aluminum cores in the industry. Made in USA with a limited lifetime warranty. Popular DeWitts Direct Fit aluminum radiators feature factory type press formed end tanks, serpentine fins, and the factory type upper and lower channels. Each radiator core is assembled and brazed in our state of the art aluminum brazing furnace. Beefcake Racing is an Authorized Dealer, call 1-855-827-7223.