F.A.S.T. Stainless Oxygen Sensor Plug - 18 mm x 1.50 Male Thread 2081571 Even with these new design

Even with these new design components

A partial coverage wire inner braid and an oil

1987-1988 Chevrolet V20 Suburban

2008-2012 Dodge Challenger and 2005-2012 Chrysler 300 with a 6

1977-1978 GMC C35

F.A.S.T. Stainless Oxygen Sensor Plug - 18 mm x 1.50 Male Thread 2081571 Even with these new designThis oxygen sensor plug seals O2 bungs when they are not in use. Plug off an unused oxygen sensor port with this bung plug. Ensures that your unused O2 port will not allow fresh air from disrupting other oxygen sensor readings downstream. O2 Sensor Bung Plug Seals bung where O2 sensor would normally screw in. FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and