Auto Meter 6104 Cobalt Mechanical Boost Gauge

About this item Modern blue LED through-the-dial lighting provides clear visibility during nighttime use Auto Meter’s 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 Mechanical movements provide accuracy and durability even in the harshest environments Gauge kit includes 1/8” nylon line, 1/8” NPT compression fittings, 1/4” NPT adapter, mounting hardware, and detailed instructions for installation