seeing as you are from BC check out princess auto. they have a nifty unit that I know some guys have used. I am currently going through the same thing.
Just a thought though pinion mounted is not the best spot. How about up off the tcase??
The best option I've seen online was this unit from Airheart: http://www.airheart-brakes.com/cal-mb1.html
I can't tell it apart from the Wilwood unit, except you can get it with a nifty sliding bracket, and it's half the price of the Wilwood. This one's my pick for now.
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