Bosch SP0F000037 Style Line 1-1/2" Mini Triple Gauge Kit (Black Dial Face, Black Bezel) 1-1/2" mini Triple Gauge Kit with black dial face and black bezel Mechanical Water/Oil Temperature, Electrical Voltmeter, and Mechanical Oil Pressure gauges Includes 72" high temperature nylon tubing with 1/8" and 1/4" NPT thread fittings Also includes mounting hardware and 12 volt internal lighting Only for 12 volt negative ground systems