SG Tool Aid 33700 Deluxe Vacuum & Fuel Pump Tester

Features:Used in motor diagnostic work to check for leaky intake manifold, clogged muffler and leaky, burnt or sticky valves. Diagnose incorrect timing. Determine accurate fuel pump pressure. Locate leaks in gas line. 3 1/2″ multi-colored gage has English and metric scales: 0-28 inch (0-70Cm) vacuum and 0-10 PSI (0-0.7 Cm2) pressure. Complete with hose, three fittings and operating instructions.