Radtec aluminium radiators have been tested in extreme climate race conditions time after time. Continuous research and development in the performance of Radtec products has reached a level that is without equal anywhere in the world which is why Koenigsegg fit Radtec products to their super cars.This High efficiency radiator fits Rover K-Series powered Caterham 7 models and features a 50mm deep core which offers improved cooling compared to OEM and triple pass radiators. The radiator is supplied with integral cooling fan brackets which accept a 11" Spal fan (part number VA09-AP8/C-54A). The fan is located on the engine side of the radiator. The fan is available to purchase here.