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Thread: IRS Jam Nut Won’t Thread

  1. #1
    Junior Member
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    IRS Jam Nut Won’t Thread

    Not sure what the deal is, but I’ve tried everything I know to get this jam nut to go onto the toe arm assembly. It appears to be left hand threaded and the toe arm thread is right hand.

    What am I missing here?

    IMG_2104.jpeg

  2. #2
    Senior Member
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    There should be a jam nut on the rod end also.
    Delivery Date 6-24-23 Build thread Living the Dream
    SBF 427 564hp/576tq Holley Sniper with Hyperspark by Smeding Performance. Tremec TKX .68 OD. IRS . Wilwood 12.88 brakes. Wilwood EPB. First start 11-17-23. First go cart 11-20-23.

  3. #3
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    I have two jam nuts, but the threads are wrong.

    Maybe I’ll find more in another box…

  4. #4
    Senior Member danmas's Avatar
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    Same thing happened to me. They are shipping the wrong jam nuts. I ordered new ones. Call factory five and tell them if you want and they will ship you some I think. Little frustrating as they have been told a couple times about this issue.

    Link to the issue

    Dan
    Last edited by danmas; 08-18-2023 at 10:12 PM.
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    Mk4 complete kit arrived 10 May 23
    Current BOM

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