Generic 21pc Hand Held Vacuum Pressure Pump Tester Kit Brake Fluid Bleeder Bleeding Kit The items you ordered will be shipped out in 1-2 business day from Los AngelesCA. And you will receive it in one week. Engine mechanical testing (valves, cam timing, head gasket, etc) Brake and clutch hydraulic system bleeding Measurement of vacuum supplied by booster reservoirs solenoids or the engine. Testing vacuum-operated components (door locks, actuators,etc)