Universal Extreme Accuracy 4 Wire Thread-in O2 Oxygen Sensor from performance street to competition

from performance street to competition use

Flat rubber bases with molded-in velocity stack type radius and step for smooth bore down from element to tube

These covers are designed to directly replace your factory timing chain cover

traps debris without restricting oil flow

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

Universal Extreme Accuracy 4 Wire Thread-in O2 Oxygen Sensor from performance street to competitionThese 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.