Bar's Leaks Radiator Stop Leak is an easy to carry product for emergency cooling system leak repair.  Formulated to seal minor leaks up to 0.9mm in the cooling system. Bar’s Leaks works on plastic, aluminum, and metal radiators in heater cores, engine cooling jacket, gaskets (including head gaskets), and freeze plugs.  

BINIFITS:

• Stops internal and external leaks up to 0.9 mm in size

• Will not clog cooling system