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.

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.