The best selling and most revered series in the Auto Meter line to feature our award winning Hi-Def, Through-The-Dial LED lighting. With cool blue lighting and a race inspired design that is easy to read in all conditions, these gauges are equally at home in full blown race machines or one off custom builds. Way more than just a great looking gauge, the Cobalt line pioneered our Advanced Digital Stepper Motor Technology for the ultimate in no compromise accuracy, durability and safety. These are serious instruments for serious vehicles that just happen to look spectacular, particularly once the sun goes down. Features Modern blue LED through-the-dial lighting provides clear visibility during nighttime use Mechanical movements provide accuracy and durability even in the harshest environments Benefits AutoMeters race proven mechanical instruments provide trusted accuracy while being simple to install No electrical system required for gauge operation – compatible with every street or race vehicle Applications Universal What’s in the box? Autometer Cobalt 52mm 20psi mechanical Boost Gauge 10 ft. 1/8 nylon line T-Fitting Vacuum fitting Compression fittings Mounting hardware Detailed instructions for installation