Installing headers on a late model car will often cause the O2 sensor harness to be too short. These extensions make it easy to lengthen the harness without splicing or soldering - just plug them in. Sold individually.

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Proflow O2 Sensor Wire Harness Extension 12in. LS Oxygen Sensor Flat Connector Plug

Proflow O2 Sensor Wire Harness Extension 12in. LS Oxygen Sensor Flat Connector Plug

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