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Sky Drive
The Sky Drive is the speed sender that works no matter what it's on, using GPS technology to accurately drive any electric pulsed speedometer.

Perfect for speedometer retrofits or any application that needs an accurate speed signal.
Speedometer Calibrator for Electronic Speedometers

Data Link

Interface between the J-1708 Bus data stream found on the new computerized diesel engines.
Ratio Adaptors
Available in many sizes. Custom built ratio adapters are available.