The RAC Engine Vacuum Fuel Pump PSI Tester Gauge is a vintage diagnostic tool for automotive use, specifically designed by the brand RAC in the United States. This tester allows users to check the performance of engine vacuum and fuel pump systems by measuring the psi level. It is a unique and reliable tool for mechanics and car enthusiasts looking to diagnose and repair issues related to vacuum and fuel pump systems in vintage vehicles. With its high-quality construction and precise measurements, this RAC tester is a valuable addition to any workshop or garage.