A/c heavy duty pro radiator, 70 71 72-74 barracuda 26 wide core (small block) down flow or cross flow type down flow. Hose Locations (In x Out) Driver x Pass. Champion Cooling radiators are tig welded with aircraft grade aluminum. They are made to high standards of quality and workmanship using the Highest Grades of aluminum available and are constructed with 100% welded seams, brazed core technology and no epoxy.