Cable driven electronic controlled black faced speedo with digital odometer, 2 trip meters and tacho. Comes pre-wired with a push button switch to select trip 1, trip 2 or odometer and is programmable for use with any ratio speedo drive. Installation instructions and an adapter nut for use with either 5/8" or 16mm speedo cable nut. The tacho works with both Dual and Single Fire ignitions. Speedo/tacho meter combo is 4 1/4" (108mm) in diameter and a 4 3/4" (120mm) top ring. Fits most Fat Bob style dashes 1947-1995. Available with 120 MPH scale, tacho goes up to 8,000 RPM.