Track down a troublesome coolant system leak fast with this specially designed Cooling System Pressure Testing Set. Simply select the correct adapter designed for your vehicle’s radiator/coolant bottle, attach the high-quality three-stage pressure gauge pump, then add pressure to the system until the leak is revealed. Coolant system servicing has never been easier. The set includes twenty-two coolant adapters designed to fit coolant necks and overflow tanks of the most popular makes and models of cars and trucks. The testing set comes in a rugged heavy-duty case that helps protect and organize for years of reliable use. 22 Piece Cooling System Pressure Testing Kit