brothers rear mount gas tank?

[williamsboys]

I bought it and just wondering if anyone else has installed the same one. I have to cut my frame for the filler tub, but besides that the holes line up in the frame to the holes in the tank but it also came with j bolts. Where do the go? Could I just use long bolts threw the frame and tank then put a nut all the way up the threads for holding the tank to frame and another nut on the same bolt to hold up the strap.

Any thoughts would be greatly appreciated. I am working on it now.
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