BMR front sway bar install question

[Dragster]

For those of you that installed a BMR front sway bar, how did you tighten down the rear bolt on the driver's side of the mounting bracket? There doesn't seem to be enough space to fit a 10mm allen key between the bolt and the alternator. I have the other three tightened down, but I can't get the last one due to its position. Ugh...

Thanks in advance for the help!

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