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The Lightning Rotors Digital Compression Tester is an electronic test meter to specifically measure compression in rotary engines.

Benefits:

  • Superior to conventional compression gauge
  • It will measure individual compressions produced on each rotor face
  • Provide indication of failed rotor components such as Apex seals
  • Capture reading data for analysis or historical interest
  • Much cheaper than Mazda part equivalent
  • Measures those lesser technologies too - Pistons
  • Used in top tuning shops such as Knightsports, Apex'i, Mazdatrix
  • Made in Japan
Download the instruction manual here