Complete Deluxe Fuel Injection Pressure Tester Gauge Kit Pump Tester The listing is for one set of multiple function oil combustion pressure meter will work for most JAPANESE,AMERICAN AND EUROPEAN SYSTEMS OF CARS. Comprehensive kit of adaptors and fittings for most fuel injection systems. 3-1/2" gauge with dual scale(psi and bar), reading from 0-140psi and 0-10bar. Pressure release valve fitted with long drain hose allows safe recovery of pressure and fuel.