Classic Instruments Electronic GPS Speedometer Sending Unit Chevy/GMC C/K 88-98

Accurately measure the speed of your 1988-1998 Chevy or GMC C/K truck with this GPS speedometer sending unit (SN81V)! This Classic Instruments unit from provides real-time monitoring renowned for its accuracy. It’s capable of tracking the longest of drives, even from the USA to Canada.

Features and Benefits:
- Renowned for time-tested performance
- Ideal for use with basic directional GPS devices
- Ensures GPS can keep up with your speed
- Offers output of 16,000 or 8,000 ppm
- Accurately tracks speed in USA and Canada