Vacuum & Pressure Tester Kit
Works on Computer-controlled and Conventional Vehicles
Professional Bourdon tube gauge reads 0-30 inches vacuum
  and 0-10 PSI pressure
Comes complete with hose and adapters necessaty for testing
  vacuum control and fuel pump
Scales are easy to read.and show both standard
  and metric scales
Check the mechanical condition of the engine
Check the vacuum control system function
Fine tune carburetion and timing for peak performance and maximum fuel economy
Test fuel pump pressure
Check for leaks in the intake manifold, manifold and head gaskets, piston rings, valves and vacuum lines
Vacuum:0-3- inches,0-70 Centimeters
Pressure:0-10 PSI,0-70 Kilopascals