AEM X-Series Wideband UEGO AFR Sensor Controller Gauge | 30-0300 Eclipse_1995-1999 Add some additional reliability and

Add some additional reliability and engine bay styling with the Mishimoto Subaru WRX 2002–2007 / STI 2004–2014 Aluminum Coolant Expansion Tank

Inside Diameter 2

six case bolts

including full-size sedans

and is then precision CNC machined to exacting tolerances

AEM X-Series Wideband UEGO AFR Sensor Controller Gauge | 30-0300 Eclipse_1995-1999 Add some additional reliability andA wideband UEGO sensor controller accurately monitors Air Fuel ratios (AFR) during the tuning process to prevent a lean fuel mixture, which could lead to engine damage. AEM has combined its single channel wideband UEGO controller and gauge display into one unit, uniting unsurpassed AFR accuracy and control with an easy to read interface. AEMs Gauge Type Wideband UEGO Controller features a digital LED display and sweeping LED needle that changes colors