The Delang Products Aluminum cores and complete units feature top quality materials and construction for strength and durability against vibration. Each and every core is pressure tested to ensure flawless performance. Delang’s cores utilize state of the art tube and fin type construction. This design has proven itself to be a top performer in almost every automotive racing arena and regular uses all types of cars. Our cores offer a high density of fins inside of the tubes for quick and efficient heat dissipation while using a slightly less dense outer fin setup to provide excellent air flow to the radiator.