GEMS Engine Management Systems
GEMS has been designing and building competition engine management systems since 1985. Because of GEMS ongoing policy of developing products in response to the needs of its customers, and in many cases in close collaboration with its customers, the range of products available are now highly flexible and covers all engine management requirements.
Plug n Play ECU's
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Subaru Impreza Plug n Play ECU Rally spec plug in ECU for the Subaru Impreza |
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Subaru Impreza R Series Track day spec plug in ECU for the Subaru Impreza |
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Mitsubishi Evo Plug n Play ECU Rally spec plug in ECU for the Subaru Impreza |
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Standalone ECU's
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EM36 User programmable engine management system for up to twelve cylinder sequential applications. |
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EM40 Compact, user programmable engine management system for up to twelve cylinder sequential applications. |
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X25 Next generation user programmable engine management system for up to 12 cylinder applications |







