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Stock 1977 K5 Front Shackle Dimensions???

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by rigdonhome, Jun 7, 2003.

  1. rigdonhome

    rigdonhome 1/2 ton status

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    Could some fine Person out there give me some dimensions for the stock shackles that came on my K5? Mine have been replaced by some cheap junk that I want to put back to stock and lift properly with lift springs.

    The main dimension I need is the distance from center-to-center from the spring bolt hole to the frame mount bolt hole. The shackle width would also be helpful, but I can probably figure that out closely by the bushing width.

    /forums/images/graemlins/confused.gif

    Cheers,
    Scott
     
  2. rigdonhome

    rigdonhome 1/2 ton status

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  3. gravdigr

    gravdigr 1/2 ton status

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    I wouldn't suggest replacing with stock shackles, they are junk. I have pics somewhere of my stock shackles bent a good half inch to one side. They are flimsy stamped steel and no good for offroading. You can get shackles here
    http://www.hill4wheeldrive.com/ or here http://www.offroaddesign.com/index.htm for slightly more than stock shackles.

    EDIT: also wanted to add if you are lifting the front slightly longer shackles will prevent your spring eyes from hitting the frame during flexing. That's why most aftermarket shackles are 1/2" or more longer than stock.
     
  4. BorregoK5

    BorregoK5 1/2 ton status

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    The stock length is 4" center to center. If you have 6" lift springs or more then you'll need to add 1/2" to keep from hitting the frame. Using 1/4" plate is stronger than stock, most use 3/8" plate. Stock bolts were 7/16" but many people up to 1/2" bolts with new bushings. Good luck.
     

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