Updated kit which includes two new caps suitable for newer Ford and Vauxhall/Opel vehicles.Heavy-duty pressure test kit.Aluminium radiator header tank caps are colour-coded for ease of use and have quick release fittings.Suitable for a wide range of vehicle applications.Locate system leaks from: Head gasket Header tank Radiator and heater cores Water pump, plugs, hoses and housingsHeavy-duty pump unit features smooth action and large, easy-to-read, scale.Long hose aids easy use of the gauge and quick release is fitted with pressure release valve for safe operation.Set supplied with thermometer and packed in rugged storage case.