O2 Sensor Plugs:

Speedflow manufacture these plugs to block off your O2 Sensor ports, they are manufactured in Australia from Steel, Nickel plated and then a spark plug washer is installed to ensure no exhaust leaks will occur!

We have two sizes available, M18 x 1.5 and M14 x 1.5.

Make sure to check out our O2 sensor weld bungs also. WELD FITTINGS