GlowShift Tinted Series 30 PSI Fuel Pressure Gauge Kit - Includes Sensor - White LED Backlit - Smoked Lens - For Diesel Truck - 2-1/16" 52mm 2 1/16 (52mm) Inch Black Face Gauge with a Magnified Tinted Lens Fuel Pressure Reading from 0 to 30PSI Red Illuminated Needle with White LED Backlighting & Stepper Motor Technology Electronic Fuel Pressure Sensor with 1/8th NPT Male Threads with Mounting Hardware & Installation Instructions Free Lifetime Technical Support & One Year Limited Warranty