Smiths GT40 Style stepper motor electronic pressure gauge featuring a black face and a ½ vee black bezel commissioned by Competition Supplies to have the appearance of traditional mechanical gauges but incorporate the latest electronic stepper motor technology. These units are perfect for motorsport applications where a logger compatible sender output and avoiding fluids in the cockpit are both beneficial. . Rugged high quality sensors are available and you can order the gauge either with or withour the sensor. Sensor when supplied has a 1/8 NPT male thread.