Holley Wideband Oxygen Sensor Upgrade

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The wideband oxygen sensor is the ultimate addition to any Commander 950 EFI system. It plugs directly into all Commander 950 harnesses to accurately measure air/fuel ratio between 10:1 and 20:1, allowing the engine tuner to read air/fuel ratio in real time for extremely accurate tuning. The Pro software included with the upgrade features a 64 cell target air/fuel ratio matrix that enables the tuner to program the ECU at any target air/fuel ratio for best engine power and economy. All engines will benefit from this upgrade, and it is a virtual must-have for forced induction engines.