Get the combined benefits of a cooling system check kit with the new radiator cap test kit! Locates leaks from head gaskets, radiator and heater cores, water pumps and hoses. Complete kit includes analyzer, pressure pump with 0–31 PSI, air supply hose, drain hose, extra bladder plus a quick–fit guide with instructions and an application list for all 4 double–end cap adapters and 3 radiator neck extensions (color coded for ease of use). Everything is stored in a durable plastic storage case. Works on all domestic and import cars. Also suitable for marine and motorcycle applications.