The ATS Engine Test Kit has all of the test equipment needed to check engine compression, synchronize magnetos, time aircraft engines, and test ignition leads all in one tool box. The complete kit contains our 2EM Differential Pressure Tester with Master Orifice; an 18MMXT Compression Tester Extension Tube; ATS E50A Magneto Synchronizer; an Eastern Technology E25 Timing Indicator; ATS E5A High Voltage Cable Tester; ATS950 Spark Plug Socket and a high impact Tool Box to keep everything organized. 14 lbs (6.5Kg) shipping weight.