All Gauges Feature Autometers E-Z View Digital Led Display System Which Maximizes Readability And Minimizes Distracting High Speed Digit Changes. mounting hardware and detailed instructions for installation. Speedometer can be easily calibrated using the trip reset button on the from of the unit and a premeasured two mile distance.. No dip switches!. Kit includes all gauge mounting hardware and installation instructions. Kit includes wire harnesses or flying leads for fuel level oil pressure voltmeter and water temperature gauges for simplified installation.. Kit includes fuel level sender (240E/33F). Speedometer is programmable with EZ Cal System - MPH or KM/H.. oil pressure sender water temperature sender and 2-wire hall-effect speed sender that is compatible with GM/Chrysler applications (7/8" - 18THD). It is compatible with most two wire sine wave and three wire hall effect vehicle speed sensors.