 (Click image for a larger view) | GEMINI 1200 Graphic Engine Monitor Twin Engine - Normally Aspirated or Turbo-Charged with Data logging for 2, 4, 6, 7, 8 and 9 Cylinder. Designed for twins, the GEMINI 1200 has all of the same advanced features as the GEM 610. ALL NEW 1200 UNITS ARE FACTORY CALIBRATED. |