Originally posted by utdavid
...but try there or try a honda dealership they might have them
Not a chance.
The Greddy turbo kits use OEM Mitsubishi turbos for their kits. Read: Greddy doesn't make turbos, they buy them premade from Mitsubishi. In your case, you have the relatively small 15G. If you still need the banjo bolt, take a drive to your nearest Mistubishi or Dodge dealership.
Tell them you want parts off a 1990 Eagle Talon or Mitsubishi Eclipse. When they ask for engine size, tell them 2.0 liter turbo. What transmission, tell them 5-speed manual. If they ask front wheel drive or all wheel, it doesn't matter. Ask for the banjo bolt on the turbo side of the turbo oil supply line. Also ask for two new crush washers for the same bolt.