Mk2 diff. Urgent.

Hey guys, I'm after a diff for my mk2, I'll need all the internals, except for brakes and brake line but I'll probably take them aswell. Its a 1.6 so I'll need the 3.77? I have a booklet that came with the car and had 1.6: 3.54? But apparently only the 2litres come with them, but Ill take any diff aslong as there gearing is not to high, I don't want to be revving like crazy on the highway.

I'm located in toowoomba, but can travel a little bit.
Give me a text or call on 0488083299.

Brandon.