The BBK O2 harness and bolt kit is a plug-in installation kit for 2015–2017 Mustang GT 5.0 long-tube header installs (compatible with BBK PN 1633/16330/1856/18560). Kit includes two 12-inch OEM-style harness extensions and five installation bolts so relocated O2 sensors reach the factory harness without splicing. Hardware and harnesses are made in the USA.
BBK 2015 Mustang GT V6 6-Pin Front O2 Sensor Wire Harness Extensions 12 (pair) And Bolt Kit