-6an for transmission lines?

I am at the point in my build now to run new transmission cooler lines. I am going to be running into the radiator then from radiator to a cooler back to the trans. I am wondering about running dash 6 braided line, has anyone done this? If so what will I need for fittings from a 904 trans? Also other people’s insight or ideas would be appreciated too. Thanks in advance,
Jake