Universal Extreme Accuracy 1 Wire Thread-in O2 Oxygen Sensor Complete engine sealing with Speedmaster

Complete engine sealing with Speedmaster exhaust gaskets

street-rod applications and more

They're machined from billet aluminum for lasting durability and good looks

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

These protect your engine investment by returning your timing back to the desired specifications

Universal Extreme Accuracy 1 Wire Thread-in O2 Oxygen Sensor Complete engine sealing with SpeedmasterThese 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.