GM Instrument Cluster Gauge/Speedometer Repair Kit (Model Number:X27-168) Used to repair speedometer, tachometer, fuel, temp, oil or any other gauges; If any of your gauge needles are sticking, shuttering, giving false readings or pegging out - defective factory steppers are the epidemic cause and this is your fix. These stepper motors are the original manufacturer equipment, the latest version, upgraded and improved; DO IT YOURSELF kit,can help you save maney and time