Where to buy threaded threadolet / bungs?

[red99600]

im looking to have a bung welded into my downpipe and intercooler piping.

where can i buy a variety of bungs of different sizes and thread patterns ?

[dj_rice]

Mopac

[Supa Dexta]

Machine shops usually have a bunch too.

[EK 2.0]

haha he said bung...

[Jason Lange]

What size/thread pitch. We have a few different ones in stock (o2, egt, 1/8 npt aluminum, etc...).

[red99600]

which machine shops do you recommend?