Well, I've used AEM EMS(between the sc'er and 2.5L) and a testpipe for over 3 years now. Well, a stock motor has been installed in order for me to compete in NASA Time Trials(TTC). I cannot find my old secondary O2 sensor.

I inadvertently purchased a 2nd primary O2 sensor because that's what I thought I needed. So now i have two primaries and no secondary. In case you're not sure which is which, the clip on the secondary should have a "female" end.

Thanks for looking,
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Purchased off Flea-Bay.