Hfs Carburetor Carb Valve Fuel Pump Pressure & Vacuum Tester Gauge Test Kit

Test fuel pump output pressure to 10PSI. Read engine vacuum to 28. Comes with large 3-1/2. Adapters suitable for most vehicles. Product instructions and carrying case included. Test fuel pump output pressure to 10PSI. Read engine vacuum to 28″ HG. Check carburetor settings and valve adjustments. Comes with large 3-1/2″ diameter gauge and 24″ long vacuum hose. Adapters suitable for most vehicles. Product instructions included.