Description:

• Pinpoints Low Compression Cause ie Burnt Valves, Worn Rings etc
• Crank Stopper Locks Engine in Place to Facilitate Installation of 
  Timing Belts, Removal of Harmonic Balance Pulleys
• Supplied with 14mm Adaptor, 14mm Deep Adaptor & 18mm Adaptor
• Gauges Show % of Cylinder Leakage & Cylinder Pressure
• Suitable for Use on Any Petrol Engine with 14 or 18mm Spark Plugs