1. SPEEDBOX
The Speedhut SpeedBox allows your cable-driven mechanical speedometer to benefit from GPS and modern transmission signals. It’s the simplest and most versatile speedometer conversion for any vehicle. Requiring only 12 V and ground, it’s a hassle-free plug-and-play solution that eliminates the need for tedious calibration or subscription services.
With a Drive Output Thread of ⅞-18 and a square of 0.112-inch, the SpeedBox offers flexibility. Its calibration range from 170-1,650
