Oxygen (O2) Sensor Weld-In Bung (18 x 1.5mm Internal Threads) The Edelbrock #91172 Weld-In Oxygen Sensor Bung is for All Edelbrock Pro-Flo EFI Systems, E-Street EFI, QwikData 2, or any application...
Oxygen (O2) Sensor Weld-In Bung (18 x 1.5mm Internal Threads)
The Edelbrock #91172 Weld-In Oxygen Sensor Bung is for All Edelbrock Pro-Flo EFI Systems, E-Street EFI, QwikData 2, or any application requiring an Oxygen Sensor installed in the Exhaust system. This part is machined from steel stock with an 18 x 1.5mm internal thread.