AEM 4.9LSU Bosch Oxygen Sensor (30-2004) Lo-Profile STM carries the full line

STM carries the full line of Red Line Engine Oils

For customers with experience of EBC’s widely acclaimed Yellowstuff material

It also makes bearings run smoother

(2) M6 Stainless Flat Washers

NGK Laser Iridium spark plugs provide superior ignitability and long service life

AEM 4.9LSU Bosch Oxygen Sensor (30-2004) Lo-Profile STM carries the full lineAEM 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