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What actual size are the wheel bolts on a 1999 WS6???

This is a discussion on What actual size are the wheel bolts on a 1999 WS6??? within the General Help forums, part of the LSx Technical Help Section category; Hi everyone... This might be a stupid question, but what SIZE are the wheel bolts for a 1999 Trans Am ...

  1. #1
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    What actual size are the wheel bolts on a 1999 WS6???

    Hi everyone...

    This might be a stupid question, but what SIZE are the wheel bolts for a 1999 Trans Am WS-6??? I'm trying to locate replacement bolt covers. Thanks!

    Jeff

  2. #2
    Veteran 0rion's Avatar
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    06 duramax

    Have you checked a dealer yet? I'm pretty sure those aren't that expensive.

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    Yes I did; they couldn't find the part number. That's why I asked here.

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    I can't believe no one here knows the answer to this.

  5. #5
    Slow'er'Ass Mr. Luos's Avatar
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    Are you looking for the studs?
    Or the lugnut?
    Or the lugnut cover??

    I have covers and studs if you need them. Just let me know.
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
    Lowered, HID's, tinted.

    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

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    I need 4 lugnut covers. I was looking at aftermarket blue chrome ones (to match the 30th rims) but I don't know the actual bolt size...so that's the main reason I asked here. With thousands of F-body owners here I thought someone would know right off their noggin'.



    Jeff

  7. #7
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
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    I can send you 4 if you want.
    I can't use them anymore with my ARP long wheel studs.

  8. #8
    Senior Member mrr23's Avatar
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    2000 corvette

    the lugnut takes a 3/4" or 19mm socket to take on and off. the thread pitch for the stud is 12mm x 1.5. if you are asking what the thread pitch on the outer portion of the lugnut is that is used to secure the covers, have no clue. take one off and find out.

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