MATCC Chrome Ring 52mm 2'' Blue LED Turbo Boost Gauge Smoked Dial Face Vacuum Pipe Smoked dial face when ignition is off.Full Clear display when ignition is on. Illuminated red needle display Please check the size measurement chart carefully before making payment. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. Instruction is included.Chrome ring - 1.74m /approx 5.7 feet vacuum pipe + T-Fitting - Blue display - 270 degree sweep - 2"/52mm diameter