• This top quality 2-1/2" chrome plated vacuum tester aids diagnosis of engine problems such as sticky valves, timing, carburetion, faulty fuel pump, and other vacuum-operated devices.
• Brass adapter fitting provided. Pressure Range 0 - 15 psi, 0 - 1 kg/cm2 Vacuum Range 0 - 30 in., 0 - 76cm HG Replacement Parts: H1728A Gauge Head CAUTION: Do not use on fuel injected vehicles..
