They might well be but would complicate things from a fabrication point. I would actually like to find someone locally that could crush form the ends of round tube. This would allow me to drill/punch a hole through the end and bolt them at each end. It would look somewhat like the end of sway bars.
The other way that could work would to weld a verital piece of tubing on the end of the cross tubing. Press in an approriate size bushing and use that to bolt to the the mounting points.
I haven't had the mounting tabs welded in yet. I need to spend some quality time under the car finding the best place to put them.
I have noticed there is a section of my SFCs that are not flush to the body. This could let me experiment further. I am thinking of building a true bolt on cross brace. I could build a mounting point that sandwiches the SFC. Similar to how a leaf spring mounts to a solid axle. Then I wouldn't have to commit to a location.
