Classic Instruments - SN85

CI Drive with common GM/FORD/MOPAR Threaded.

The CI Drive is designed to operate a cable-driven speedometer using an electric speed signal from GPS, Transmission or ECM. With a Drive Output Thread of 7/8"-18 and a Square of 0.112", the CI Drive offers flexibility, and its calibration range from 170-1650 turns per mile ensures precision for diverse speedometers. With its versatile design, the box can be efficiently installed either in the dashboard or under the hood. Default calibrated for US speedometers at 1000 turns per mile, it adapts effortlessly to signals from GPS or VSS (Vehicle Speed Sensor), automatically calibrating with the included GPS antenna

• Designed to operate a cable-driven mechanical speedometer using an electric speed signal from gps or vehicle speed sensor (vss)
• Fits Ford, GM, and Chrysler speedometers only
• Can be installed in the dash or under the hood, but is not waterproof
• Easy plug & play connections to make the conversion painless
• Assembled with high-quality components
• Can retain specialty speedometer look for specific barrel type speedos
• Drive Output Thread of 7/8"-18 and a Square of 0.112"
• Calibration range from 170-1650 turns-per-mile ensures precision
• Default calibrated for US speedometers at 1000 turns-per-mile
• Automatically calibrates with the included GPS antenna