F.A.S.T. Stainless Oxygen Sensor Plug - 18 mm x 1.50 Male Thread 4122RD The use of aftermarket (non-OEM)

The use of aftermarket (non-OEM) fan spacers are not recommended and will void the warranty of the water pump

1965-1983 Cadillac Commercial Chassis

Includes 3 single layers of 4mil smoke tearoffs

100" longer than stock pushrods are required

F.A.S.T. Stainless Oxygen Sensor Plug - 18 mm x 1.50 Male Thread 4122RD The use of aftermarket (non-OEM)This 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