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

Interface between the J-1708 Bus data stream found on the new computerized diesel engines.

Interface between the vehicle's J1939 data bus found on the new computerized diesel engines.

Available in many sizes. Custom built ratio adapters are available.