NEW
ISR Performance VQ37 primary o2 sensor Harness Extensions for 4 wire o2 sensor. These are designed to fit the specific 4 wire connector found in most 2011+ 370Z / G37s.
Sold as a pair.
When installing long tube headers into your 370z or G37 you will need to extend the primary o2 sensor wires, with this kit you will no longer have to cut/splice your o2 sensor wires, this is a direct plug and play!
***PLEASE INSPECT YOUR HARNESS PRIOR TO ORDERING AND ENSURE YOU HAVE THE CORRECT PLUG TYPE TO FIT THIS HARNESS***
Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.
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