Sealey radiator pressure test kit sealey vs006 p heavy duty pressure test kit aluminium radiator header tank caps are colour coded for ease of use and have quick release fittings suitable for wide range of vehicle applications br br locate system leaks from br head gasket br header tank br radiator and heater cores br water pump plugs hoses and housings br br heavy duty pump unit features smooth action and large easy to read scale long hose aids easy use of the gauge and quick rel