Universal Oxygen Sensor Reducers

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Highlights Available in 2 1/2" and 3" collector diameter sizes Zinc plated to minimize corrosion while providing a weldable finish. 18mm O2 sensor fitting directly welded on reduce r 2 1/2" collector diameter comes with a 2 1/4" outlet diameter, 5" length, and 5/16 thickness 3" collector diameter comes with a 2 1/2" outlet diameter, 5" length, and 5/16 thickness Our collector reducer kits are zinc plated to minimize corrosion while providing a weldable finish. All collector reducer kits include two reducers, gaskets and flange bolts. Show more