OER IN3458T Features:

Show quality reproduction Rally Pack & tach setup that takes place of tell tale gauges. One unit goes where the clock was. It houses a tic tock tachometer gauge with a clock in the middle. The other gauge goes where the fuel gauge is. The new gauge shows fuel, oil, and temp. The clock has a quartz movement. All other gauges have top of the line movements that are very accurate. This is a show quality setup. All gauges are new and calibrated. Gauge and face are metal and silk screened. Clock is a quartz movement. Tachometer will work with factory GM points or factory HEI ignition. When using an aftermarket ignition system likes MSD, Accel, Patronix, ect. A lot of these systems generates higher output voltage to the tach lead than what a factory GM tach can handle. Factory GM tachs can operate on voltage ranging from 11.2 to 14.7 Most aftermarket ignition systems generate over 18 volts. You will need to buy from the manufacture of your ignition system an adapter to lower the voltage to the GM factory voltage. Additional Information Note Rally Pack & Tach Clock Gauges Rally Pack & Tach Clock Gauges