SIZE:60MMFit for 12Volts ,4/6/8 Cylinder and gasoline Car:Package include:Boost gauge(KPA1*Digital Gauge1*Boost Sensor1*Cable1*Tubing1*T piece1*Filter1*Instructions In EnglishVacuum gauge:1*Digital Gauge1*Vacuum Sensor1*Cable1*Tubing1*T piece1*Filter1*Instructions In EnglishWater temp gauge1*Water temp gauge1*Water temp sensor1*Cable1*English manualOil temp gauge:1 * Digital Oil Temp Gauge1 * Oil Temp Sensor(1/8NPT)1 * Cable1 * Instructions In EnglishOil pre gauge:1 * Digital LED Oil Pre Gauge1 * Oil Pre Sensor(1/8NPT)1 * Cable1 * Instructions In EnglishVoltmeter:1*Voltmeter1*Cable1*English manualAir fuel ratio gauge1 * Air Fuel AFR Gauge(Not include Oxygen Sensor)1 * Cable1 * English ManualExhaust gas temp gauge1 * Digital LED EGT Gauge1 * EGT Sensor1 * Cable1 * Instructions In EnglishTachometer:1 * Tacho Tachometer Gauge1 * Cable1 * Users Manual In EnglishPlease Note1. Due to the light and screen setting difference, the items color may be slightly different from the pictures.2. Please allow slight dimension difference due to different manual measurement.All include English installation instruction--------------------------------------------------------------------Boost gauge -------------------------------------------------------------------- Vacuum gauge --------------------------------------------------------------------Water temp gauge --------------------------------------------------------------------Oil temp gauge --------------------------------------------------------------------Oil pre gauge --------------------------------------------------------------------Voltmeter --------------------------------------------------------------------Air Fuel gauge --------------------------------------------------------------------Ext temp gauge --------------------------------------------------------------------R.P.M gauge