those cool bulkhead wiring connectors
 

I have seen them in high dollar prostock cars,and roadrace cars...they screw together and mount to firewall or brkt,,i have seen them with many different sizes ( amount pf pins ) possibly from the aviation industry.....ANYONE anyhelp locating a source...

Here's one of the most common ones.

http://www.amazon.com/Delphi-Packard...9489961&sr=8-1

Google wiring bulkhead and you'll find lots of stuff.

They are military grade / aircraft connectors. ( Cannon plugs )

http://www.connect-solutions.com/itt-cannon-plugs.html

thanx bow tie
 

those are exactly what i was looking for....