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Edelbrock QwikData 2 wideband exhaust gas oxygen sensors help you adjust fuel delivery and ignition timing more efficiently. Wideband sensors can help to eliminate the lean-rich cycling of narrow-band O2 sensors. Edelbrock oxygen sensors are Bosch LSU 42 sensors with special connectors for their 2 and 8-channel wideband air/fuel ratio monitors. Accurately measure exhaust gas oxygen with Edelbrock wideband exhaust gas oxygen sensors.