The APR Mechanical Boost Gauge System comes with a mechanical gauge in either red or blue, with a vent mounted lug for a clean install. The system includes all necessary hardware to install, including a harness that eliminates the need to splice into your factory wiring harness. Features: Mechanical 52mm Pressure Gauge Pod Mounted On Vent LED Backlight Blue Needle supercharger with anti-hum pill All necessary installation hardware Fits LHD vehicles only Fits MK7/MK7.5 Golf, GTI, Golf R platform vehicles