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'74 CJ5 Suspension Bolt Sizes??

Discussion in 'Intermediate CJ-5 and CJ-6 Tech' started by scuter83, Feb 27, 2008.

  1. Feb 27, 2008
    scuter83

    scuter83 Member

    Ann Arbor, MI
    Joined:
    May 25, 2007
    Messages:
    87
    Hey guys,

    I am going through putting a 2.5" 4wd.com lift on my '74 CJ5. I have the front finally, and I do mean finally, apart. In the process I got a little confused on the size of the bolts used and what should be there.

    For example, the bolts holding the shackles to the frame and spring require a 5/8" socket for the head of the bolt, and an 11/16" socket for the nut. I tried to make sure the 5/8" won't fit on the nut, and it definately won't. I want to say it was the same way for the rear bolt as well.

    Can anyone tell me the size of the bolts I should be buying at the hardware store to get my Jeep useable again??

    Thanks,
    Scott

    P.S. RUST SUCKS!!!!!!!!!!!!
     
  2. Feb 27, 2008
    dave74

    dave74 Sponsor Sponsor

    San Angelo, Tx
    Joined:
    Oct 27, 2006
    Messages:
    163
    Just went out and checked mine and they are 7/16" x 3" grade 8 with self locking nuts. Also noticed I need to replace spring bushings, such is life:rofl:
     
    Last edited: Feb 27, 2008
  3. Feb 27, 2008
    scuter83

    scuter83 Member

    Ann Arbor, MI
    Joined:
    May 25, 2007
    Messages:
    87
    Thanks a lot Dave!!

    -Scott
     
  4. Feb 27, 2008
    dave74

    dave74 Sponsor Sponsor

    San Angelo, Tx
    Joined:
    Oct 27, 2006
    Messages:
    163
    By the way they are an odd bolt with a long shank and a short thread area. I snapped one out wheeling in the rocks (it snapped in the threads) and had to use a longer bolt and cut off the extra thread sticking out past the nut to get the right shank length. IIRC they are about 2 1/4" of shank and 3/4" of thread. Good luck.
     
    Last edited: Feb 27, 2008
  5. Feb 27, 2008
    Cantilope

    Cantilope Member

    My Jeep can...
    Joined:
    Jul 12, 2007
    Messages:
    102
    Those are the same size as mine. You are OK, go with it. Those are the spring eye bolts.
     
  6. Feb 28, 2008
    scuter83

    scuter83 Member

    Ann Arbor, MI
    Joined:
    May 25, 2007
    Messages:
    87
    When you say those are the same as yours (Cantilope), are you refering to what Dave said or I said?

    I would assume Dave, but it is never good to assume.

    -Scott
     
  7. May 6, 2018
    DHill78

    DHill78 Sponsor Sponsor

    Central AR
    Joined:
    Jul 27, 2015
    Messages:
    134
    Bringing this one back to the top. I bought new leaf springs, Rough Country, 2 1/2" lift. Energy suspension bushings, and 7/16" bolts with the correct length shank (I'll have to cut the excess threads off). The bushings I received, aren't large enough ID for a 7/16" bolt. Should I find other bushings? Or will a 3/8" grade 8 bolt be good enough?
     

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