AutoMeter Phantom Electric Water Temperature Gauge - 2-5/8" - 100-250 1443A26 Large fill plugs have a

Large fill plugs have a 3" opening

Grounding System

Eliminator Double Adjustable

Low pressure sensor automatically activates compressor if pressure drops

third link

AutoMeter Phantom Electric Water Temperature Gauge - 2-5/8" - 100-250 1443A26 Large fill plugs have aA high water temp can be detrimental to an engine. Heat is the enemy of performance and reliability. Keep tabs on your temps with the most trusted water temperature gauge on the market. AutoMeter's advanced 1 8? NPT temperature transducer is included for a simple installation on any application. Traditional incandescent lighting illuminates around the perimeter of the dial 12 and 16 volt compatible, well suited with nearly every street car or race car