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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.
Edelbrock Weld Element 02 Sensors Qd2 Pro Flo 2 Pro Flo Xt
$21.95
Part Number: 91172
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