550 what size wheel bolts OEM wheels | FerrariChat
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550 what size wheel bolts OEM wheels

Discussion in '456/550/575' started by Senshi458, Jan 27, 2025.

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  1. Senshi458

    Senshi458 Formula Junior
    Sponsor Owner Rossa Subscribed

    Oct 17, 2015
    883
    Norway
    Full Name:
    Reza
    #1 Senshi458, Jan 27, 2025
    Need help guys, what is the size for bolts when running OEM wheel on 550? is 52mm correct? I think will run titanium bolts with OEM wheels, but need get correct size.

    thx
     
  2. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
    39,182
    Clarksville, Tennessee
    Full Name:
    Terry H Phillips
    #2 tazandjan, Jan 27, 2025
    Senshi458 likes this.
  3. Senshi458

    Senshi458 Formula Junior
    Sponsor Owner Rossa Subscribed

    Oct 17, 2015
    883
    Norway
    Full Name:
    Reza
    #3 Senshi458, Jan 27, 2025
  4. Auraraptor

    Auraraptor F1 World Champ
    Lifetime Rossa Owner

    Sep 25, 2002
    13,985
    MO
    Full Name:
    Omar
    #4 Auraraptor, Jan 28, 2025
    Last edited: Jan 28, 2025
    Wheel bolts are a function of the wheel for a given model, not the car model itself. Of the 90s era cars, the 456 and 355 use slightly deeper bolt seats and longer bolts.
    550/575 (All OEM18/19in wheels): M14 conical bolts of 52mm shaft length, 60 deg taper
    456/456M (OEM 17in wheels only): M14 conical bolts of 55mm shaft length, 60 deg taper

    (AKA if your running 575 wheels on a 456, you technically should use the 52mm bolts as you risk not fully seating...I discovered this when I mounted modulars on my 456)​
     

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