It's 5/8" tube, probably .035, That whole thing was made up from mostly stuff I had laying around from other projects. I like to put a little flex line in stuff like this, it will keep from cracking the tubing.What is the wall thickness of the tubing you need to bend? You don't need a mandrel bender, just a hand bender available from any industrial supply house, for tubing up to .065" wall thickness. .035" wall will handle the pressure just fine, though .065" would give more vibration tolerance, it just takes some muscle to bend. You could even eliminate the short braided sections with bent hard line (with different fittings).
I've exchanged some PM's with Rusty concerning a problem I'm having with mine that he had with your car.Looks like you are making great progress..!
It will be very interesting to follow as I am at the tail end (I hope) of a very similar build (well Rusty and Brian have done most of the work so far!).
Looks like you are choosing a different style, and it is always fun to see another way of doing things.
Good luck with your project...
This will be fun to watch.
We sell semi loads of these roll bars, and this is the first time I've heard of one not fitting. Did you watch the install video ? Did you call our office about it ? Were you given a refund ? It would be next to impossible for the bends to be off since they are always test fitted in a fixture where it stays until the brackets are all welded on.When it comes to roll bars, I had bought mine from MTF and every bend in it was wrong.
I had to get one made locally.