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Hey everyone, Just about to install PSR UEL Headers onto the car, long story short I had an 86 before this one with the same headers on it. That car was throwing the check engine due to the o2 sensor. This time around, I am wanting to purchase the o2 spacer and install at time of exhaust installation. Here is my problem, I'm a little unsure of which o2 spacers I can buy, are they just all interchangeable on all spec cars? Does the 86 have a specific sensor fitment? If anyone has a link to an o2 spacer that worked for them that would be greatly appreciated.