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  1. #1
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    What bolt thread size?

    What bolt thread size is used to attach the OEM sponson on the GPR hulls? Is it metric or english?


  2. #2

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    I believe they are metric if your talking about the stock sponson bolts

  3. #3
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    yup, the stock ones...most websites with microfiche just list part numbers...

  4. #4

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    I can look tonight and give the correct size

    Do you need some I might have an extra one or two.

  5. #5
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    Quote Originally Posted by lvnspeed View Post
    I can look tonight and give the correct size
    thanks...

  6. #6
    steach's Avatar
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    Metric M8 x 30mm

  7. #7
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    Quote Originally Posted by steach View Post
    Metric M8 x 30mm
    thanks...

  8. #8
    Chine Walker
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    The sponson bolts are unique in that they go in only so far as not to crush the plastic. If you use a standard DIN 933 8X30 bolt w/washer you will crush the sponson hole.
    j.p.

  9. #9
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    Quote Originally Posted by jpa1300 View Post
    The sponson bolts are unique in that they go in only so far as not to crush the plastic. If you use a standard DIN 933 8X30 bolt w/washer you will crush the sponson hole.
    j.p.
    Thats why I ordered 8x25, and adjusted the depth on my backing plates...I'm posting the info now on them...

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