Universal Extreme Accuracy 1 Wire Thread-in O2 Oxygen Sensor They are manufactured from one-piece

They are manufactured from one-piece cast aluminum

Speedmaster pickups are compatible with all the high-output assemblies that are currently found and all popular aftermarket magnetic crank trigger kits including Speedmaster and MSD

Made from cast aluminum and feature cast-in ribs for added strength and heat dissipation

especially those that produce high horsepower

Universal Extreme Accuracy 1 Wire Thread-in O2 Oxygen Sensor They are manufactured from one-pieceThese 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.