- SKU: A-304
No calibration is necessary! Plug-n-Play! SPEEDBOX™ Mechanical Drive Speedometer Box (mechanical drive cable included). For USDM (Ford, GM, or Chrysler) speedometers only. The Speedhut SpeedBox is designed to operate a cable-driven mechanical speedometer using an electric speed signal from GPS or modern transmission. The Box can be installed in the dash or under the hood.
Drive Output Thread is 7/8"-18
Drive Output Square is 0.112"
1000 turns per mile
Drive your Mechanical Speedometer using any of the following signals:
- GPS (automatically calibrates using the included GPS antenna)
- CAN-Bus (j1979 Protocol)