Lambda O2 Oxygen Sensor spacer 90 degree 02 bung extension For M18 X 1.5 Hot
O2 Oxygen Spacer Sensor Angled Extender 90 Degree M18x 1.5mm Zinc Hole For Car. They are very easy to install by unscrewing your O2 Sensor from your exhaust then screw your sensor into the extender,and then screw the two pieces.