8386 Gauge Kit AutoMeter 200848-33 Fuel Pressure Gauge, 2 1/16 Inch, 15PSI, Slvr Chevy Fuel Rail Pressure Gauge Gauge kit includes wiring harness, mounting hardware, and detailed instructions for installation Auto Meter Factory Matched Fuel Rail Pressure Gauge 8386 | XDP Auto Meter’s race proven digital stepper motor electric instruments provide unmatched accuracy while keeping hazardous fluids outside of the vehicle Fuel Pressure GaugeChevy Factory Match Fuel Rail Pressure GaugeChevy Factory Match Fuel Rail Pressure Gauge; 2-1/16 in.; Black Dial Face; Orange Pointer; White LED Lighting; Electric Digital Stepper Motor; 0-30K PSI;SPECIFICATIONS: Analog Or Digital: Analog Attachment Method: Panel Bezel Color: Black Bezel Style: Super Whether you use your truck for work or play, these gauges provide the race proven performance and accuracy you need to get the job done. Rail Mounted Fuel Pressure Gauge Kit for GM Vehicles – Full Throttle Speed The accuracy of digital stepper motor gauges is further increased by utilizing a self calibration sequence during power up