this is the last piece on my list to pick up and then just gotta wait for my ic to arrive.  can i just use a regular nut for this thing or what?  and if so what size and thread should i pick up.  thanks

parting out my built and boosted 97 z24 so4x4.com/cavy.html for pics and a parts list
 
 
well the 02 sensor to put it in you need a 7/8 wrench the bung is usually 18mm threaded

1989 Turbo Trans Am #82, 2007 Cobalt SS G85
 
 
so itll be an 18 mm nut then?  what kind of thread?  threads per inch i mean,  i weanna grab a nut for it today and it would be nice to grab the right one, of course ne of everything i can find would be interesting to, lol

parting out my built and boosted 97 z24 so4x4.com/cavy.html for pics and a parts list
 
 
just go on summit racing you can order the bung for your hole and also get the plug for your bung hole

1989 Turbo Trans Am #82, 2007 Cobalt SS G85
 
 
oh yeah, judgez24 
do you have TP?  TP for your bunghole?  lol
sorry,  could not resist

Im a Xbox 360 fanboy...and damn proud of it!!
 
 
ARE YOU THREATENING ME!!!!!!!

1989 Turbo Trans Am #82, 2007 Cobalt SS G85
 
 
you do not want to face the WRATH of my BUNGHOLE!!!!  Bungholio!

Im a Xbox 360 fanboy...and damn proud of it!!
 
 
i am the great bungholio.  my people w ehave but one bunghole. lol
yeha i picked one up at a local place i didnt think would have one but they did.  

parting out my built and boosted 97 z24 so4x4.com/cavy.html for pics and a parts list