727 Cooler Lines Help
Look at inline tube
They probably have what you need.
If you want to do it yourself, typically there is a male / male fitting on the transmission. Pipe thread on one end and a flare fitting on the other
The same most likely holds true for the trans mission end.
You can go to the parts store and buy a couple size tubes with female flare nuts on the ends.
Not like brake line tube which have male fittings on them.
Test in each fitting for proper fit then buy the length you need.
This may or may not fit your car. It's just for example