Dont trust your factory gauge for important monitoring of engine functions. By the time your factory idiot light comes on the damage is already done. Monitor you engine functions with one quick glance and be warned of any problems before it is catastrophic. Save your engine, set your warning function to go off before you loose all your oil pressure Thats right this gauges warns you if your oil pressure drops below your set limit. All feature setting are performed using the buttons on the front of the gauge - simple and easy. Each Premium Evo Series gauges will perform a Digital sweep/self check on start up Features Peak Recall Fully programmable Warning feature Dimmable Daisy chain Premium waterproof sender Includes wire harness gauge to sender -plug and play 4 color choices includes mounting cup includes Visor Free tech support This Oil Temperature Boost Gauge will perform a digital sweep/self check on Start-up. 100F 300F includes 1/8 NPT threaded temperature sender, Wiring harness, Mounting cup, Visor, Prosport decal and Instructions Details Temp Sender is only 1 long with 1/8 NPT threads Be sure to consider our Oil Filter adaptor plate to make installation of the electric Sender quick and easy.