Requires No Cutting Drilling Or Modification To Factory Pieces. Tachometer Capable Of Calibrating For 1 2 3 4 5 6 8 10 Or 12 Cylinder Engines. Monitors Speedometer Tachometer Fuel Level Oil Pressure Water Temperature And Volts All In A High Resolution And Colorful Display. 12.3" Lcd Display With Four User Selectable Screens. Features High Beam &. Turn Signal Indicators As Well As User Selectable Warning Light. All Kits Include A Wiring Harness And Sending Units For Water Temperature And Oil Pressure As Well As A Joystick For Dash Customization. Adjustable Rpm Range And Displays In Imperial Or Metric Measurements. Helps Protect Your Vehicle With Visual Or Audible Alarms - Low Fuel Level/Oil Pressure/Voltage And High Water Temperature. Speedometer Easily Calibrates To Oem Or Aftermarket Vehicle Speed Sensors And The Tachometer Is Capable Of Calibrating To Many Engine Types. 7 User-Selectable Fuel Level Resistance Ranges To Pair With Original And Aftermarket Sending Units