MM Cooling System Pressure Tester & Vacuum Purge Kit, 28pcIf you've got a paddock of project cars, a fleet of work vehicles, or just like to help all of your friends with their daily drivers, you need tools that help you get maintenance done fast. This Mishimoto 28 piece cooling system pressure tester and vacuum refill tool kit lets you diagnose and fix cooling system issues quickly so you can get back on the road or track faster. Once you've found and fixed your leak, use the vacuum purge and refill tools