Universal Extreme Accuracy 4 Wire Thread-in O2 Oxygen Sensor They are manufactured from billet

They are manufactured from billet aluminum and require no drilling or welding for installation

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Universal Extreme Accuracy 4 Wire Thread-in O2 Oxygen Sensor They are manufactured from billetThese easy to install oxygen sensors will accurately send data to your Speedmaster digital air fuel ratio gauge. The highest quality components are used to ensure an accurate, dependable reading.