Engines don&rsquot like high water temperatures, Heat is the enemy of performance and reliability. Keep tabs on your temps with the most accurate, quickest responding water temperature gauge on the market. AutoMeter&rsquos advanced bourdon tube meter movement provides unparalleled performance in the most demanding applications. A 6&rsquo capillary tube and 1/2&rdquo NPT mounting nut are included. Feature Points Traditional incandescent lighting illuminates around the perimeter of the dial AutoMeter&rsquos 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 1/2 NPT adapter, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation