O2 Sensor Reducer Adapter M18 to M12 Compatible with Nissan

1 Made of high quality stainless steel material, lightweight, anti-rust and durable. 2 Convert the M18x1.50 oxygen sensor threaded port to a smaller M12x1.25 thread pitch. 3 Commonly used fit for Nissan SR20DET motor with aftermarket exhaust turbo elbow that normally comes with the bigger O2 sensor thread hole when using with the smaller O2 sensor. 4 Detachable design, it is compact, safe and leak-free. 5 Good sealing, which can eliminate leakage caused by poor welded joints.

What's in the box
1 x Bung Reducer Adapter