Cooling system pressure tester adapter set includes adapters needed to adapt test equipment to radiator caps and cooling systems. Each set contains multiple adapters that fit either a specific make or a number of makes. Adapters are for use with the Stant cooling system pressure tester kit. Adapters are crafted from durable plastics and/or metal - tough enough to hold up to years of heavy use. Stant is a world leader in the development and manufacture of fuel and cooling system products. Founded in connersville, INDIANA by George Stant in 1898, today the company is still based in connersville, but is now owned by high capital LLC. Stant designs and produces a variety of consumer products including thermostats, radiator and coolant reservoir caps. The majority of Stant consumer products are manufactured in the USA in TS16949/ISO14001 certified facilities.