The Edelbrock weld-in oxygen sensor bung (#91172) is designed for use with Edelbrock Pro‑Flo EFI systems, E‑Street EFI, QwikData 2 or any application requiring an O2 sensor installed in the exhaust. Machined from steel stock, it provides an 18 x 1.5mm internal thread for standard sensor fitment and is intended for permanent weld-in installation. This universal bung offers a straightforward way to add or relocate an oxygen sensor in custom exhaust systems or EFI conversions.
Edelbrock Weld Element 02 Sensors Qd2 Pro Flo 2 Pro Flo Xt