General description This vacuum fuel pump pressure tester is designed for testing pressure and vacuum systems. It assists in diagnosing issues such as improper timing, burned or stuck valves, leaking manifold, improper fuel mixture, and sticking choke without the need for a pump. The tester can easily read fuel pump output pressure up to 10 PSI and engine vacuum up to 28" HG. Technical specifications Pressure gauge: 28" HG vacuum and 0-10 PSI pressure Case Colour: Red Material: Plastic and metal Hose length: 62 cm Compatibility and accessories 1 x Adapter: 1/4"-18 (male) x 1/8"-27 (female) 1 x Adapter: 1/8"-27 (male) x 7/32" (barbed) 1 x Adapter: 1/8"-27 (female) x 3/8" (male) 1 x Adapter, T-type: 7/32" (barbed) 1 x Universal cone adapter Other information