Ingenious and simple, this timesaving tool holds the engine coolant in, even when pipe plugs, sensors or valves are removed for replacement or repair. U.S.A. Creates a vacuum, holding coolant in with little or no loss Fits standard radiator necks and installs quickly Allows a quick check of your repair with positive pressure from shop air No tedious hand pumping A radiator cap installs on the tester to provide pressure relief 30 CFM @ 120-150 PSI Chrome-plated aluminum Storage case
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