Universal Fuel Injector Pressure Tester Gauge Kit. Why Choose Our Tester Gauge Kit?. Sturdy design ensures the tester can withstand the rigors of daily use. Manufacturer Part Number: Fuel Injector Pressure Tester Unit Quantity: 3.9 Vehicle Type: Motorcycle,Passenger Vehicle,Truck,SUV,ATV,UTV,RV Accessories: Fittings,Hoses,Adapters.