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super key

  1. "super key" lift questions

    Suspension&Steering
    I am putting my 2008 2500HD Diesel in for what they call a super key (new key) and adjustment to raise the front end up about 2". Partly just to level the truck, partly to help with the frame height/clearance on my plow. From the little I've read if you adjust the factory keys you may get the...
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