Aftermarket SR O2 housing: which O2 sensor?

[UNISA JECS]

Originally Posted by RB200SX

Ordered the bung, $15 shipped Thanks, that was far easier than the drilling/tapping would have been.

Going back to something I mentioned yesterday, could the missing fuel pump o-ring cause my bogging/backfiring problems? For failure to pressurize the fuel tank properly?

No, but the o2 sesnor will, do you have a JDM skinny sesnor already? If not im sure I can get you one.