8MILELAKE Fuel Pump and Vacuum Tester Gauge Leak Carburetor Pressure Diagnostics
<br>Test fuel pump output pressure to 10PSI. <br>Read engine vacuum to 28" HG. <br>Check carburetor settings and valve adjustments. <br>Comes with large 3-1/2" diameter gauge and 24" long vacuum hose. <br>Adapters suitable for most vehicles.