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Thread: Rear bump stops

  1. #1
    Mitsu booster
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    Rear coil mounts/bump stops, upper and lower isolators

    Need a set of rear coil mounts/bump stops ( the ones inside the coil springs) and the upper and lower spring isolators for my 88 CSX-T.

    Thanks
    Last edited by racerx20; 07-14-2019 at 06:54 PM.

  2. #2
    Mitsu booster
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    Re: Rear coil mounts/bump stops, upper and lower isolators



    Mounts are what I need the most, car is stuck on jack stands without them.
    Thanks!

  3. #3
    Super Moderator Turbo Mopar Staff 135sohc's Avatar
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    Re: Rear bump stops

    Johnny @ polybushings has the upper and lower spring insulators.
    1994 Shadow Sedan. 2.2 N/A, A568 400,000 miles. "the science experiment"
    1987 Shelby CSX #418. Long term rebuild and restore ?

  4. #4
    Supporting Member II Turbo Mopar Contributor ajakeski's Avatar
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    Re: Rear bump stops

    You may be better off posting a want ad on the SDAC Facebook page. That’s where everyone is these days.https://m.facebook.com/groups/144764222259820

  5. #5
    turbo addict
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    Re: Rear bump stops

    Joey It looks like there where two different jounce bumper cups, a 1 notch and a three notch? On your pics it looks like you maybe have the three notch cups. That would be part # 4228440. Part # for 1 notch cup is 4228096.
    Jounce bumper is 4228159
    Upper spring isolator is 4147759
    Todd

  6. #6
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    Re: Rear bump stops

    Thanks for the information guys, I have asked my wife to join the facebook group since she has an account...I will check out polybushings and get the isolators. Thanks for the part numbers Todd, I found them yesterday and called multiple dealers all numbers are discontinued and no stock listed at any dealer. Also looked on Arizona parts and Brad's NOS...nothing comes up for the cups.

  7. #7
    Mitsu booster
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    Re: Rear bump stops

    Just ordered the isolators from Johnny, thanks! If anyone knows of anyone parting a K based car please lmk!

  8. #8
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    Re: Rear bump stops

    As Todd said there a multiple cups. The part number for the Shelby specific cup is 4421072, the other is the 4228159, I'll take either!

  9. #9
    Super Moderator Turbo Mopar Staff 135sohc's Avatar
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    Re: Rear bump stops

    If exact OEM appearance was not a concern those would be not too difficult to make with plate stock and round tube. Mine are somewhat crunchy and even on southern cars they catch moisture and rot from the inside.
    1994 Shadow Sedan. 2.2 N/A, A568 400,000 miles. "the science experiment"
    1987 Shelby CSX #418. Long term rebuild and restore ?

  10. #10
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    Re: Rear bump stops

    Desert Valley Auto Parts had a set off a 86 Dodge 600 convertible, hopefully they are the same. They'll take up to two weeks to get but at least I found them.

    https://www.dvap.com/salvage/1986-dodge-600-86donv07e/

    In case anyone needs anything else.
    Last edited by racerx20; 07-16-2019 at 05:48 PM.

  11. #11
    Supporting Member II Turbo Mopar Contributor
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    Re: Rear bump stops

    I cut eown some coil over springs and welded them in place of the bump stops. In

    - - - Updated - - -

    On Rampage, i cut down some coil over springs and welded them to the axle in place of the bump stops
    John Laing

    "The sole condition which is required in order to succeed in centralizing the supreme power in a democratic community, is to love equality, or to get men to believe you love it. Thus the science of despotism, which was once so complex is simplified, and reduced . . . . to a single principle."
    -- Alexis de Tocqueville

    "One of the methods used by statists to destroy capitalism consists in establishing controls that tie a given industry hand and foot, making it unable to solve its problems, then declaring that freedom has failed and stronger controls are necessary."
    --Ayn Rand

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    -- Justice Antonin Scalia

  12. #12
    Supporting Member II Turbo Mopar Contributor DOHCRT's Avatar
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    Re: Rear bump stops

    I have a 94 Shadow flying to pieces in the next week or so. Rust free AZ car, everything available.


    Vic in Phoenix
    dohcrt@cox.net

    91 Spirit R/T x4
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  13. #13
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    Re: Rear bump stops

    Quote Originally Posted by DOHCRT View Post
    I have a 94 Shadow flying to pieces in the next week or so. Rust free AZ car, everything available.
    Thank you, I appreciate your response. I found a set off a TC from the facebook group, they should be here next week. I'll keep you in mind if I come across anything else I need. I also have the set from the 600 in route, got both just incase.

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