2× O2 oxygen sensor weld bung stainless steel M18mm 1.5mm to M12x1.25mm Adaptor

Description: -M18mm-1.5mm X M12mm-1.25 thread, Adaptor needed when installing the new style M12mm-1.25mm O2 sensor in larger M18mm bung -Material: Stainless steel Applies to: Universal The package includes: 2PCS