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2009-2015 Lancer Ralliart AT USDM
STM carries the full line of Red Line Engine Oils
• Fuel pressure increases on a 1:1 ratio with boost
(2) M6 Stainless Flat Washers
AEM 4.9LSU Bosch Oxygen Sensor (30-2004) Lo-Profile 2009-2015 Lancer Ralliart AT USDMAEM 30 2004 replacement 4. 9LSU Bosch oxygen sensor for the newer AEM wideband UEGO 30 4110 air fuel controller. Purchase includes one sensor with male connector as pictured. These sensors have a laser etched, calibrated resistor in the sensors connector body. This resistor is specifically created for the exact sensor that it is attached to. Modifying this will invalidate the sensors output. The wideband sensor is laboratory calibrated at the Bosch
