AL or SS or ? fuel line considerations

[WSSix]

I'm going to work on redoing the fuel lines on the TA in order to run more hard line and reroute the lines. I have access to a hydraulic flaring tool so flaring the SS is no problem for me. I also intend to run gravel guard over the lines like factory did. I'm going for practicality instead of custom really. I'd stay with plain steel but don't want the corrosion. Unless, of course, there's something new out there that makes this no longer and issue? Otherwise, that leaves me with Al or SS. Usually, I just say go aluminum due to the issues of flaring SS by hand and the ease of working with AL. Since I have access to a hydraulic flaring tool, should I go SS? Are there other considerations I need to take in before deciding? Are there any corrosion or wear issues I should know about before putting SS gravel guard over an AL line? That's the design I was thinking about going with.

Thanks