458 Italia Aftermarket Wheel offsets? | FerrariChat

458 Italia Aftermarket Wheel offsets?

Discussion in '458 Italia/488/F8' started by Myles mundy, Nov 17, 2020.

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  1. Myles mundy

    Myles mundy Rookie

    Nov 16, 2020
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    Myles Mundy
    #1 Myles mundy, Nov 17, 2020
    Hi Everyone,

    new on here, wanting to get some forged wheels for my 458,

    looking at having 20/21 set up, with 9j on the front and 12.5j on the rear,

    Does anyone know the best offsets so they are flush with the arches?

    Thanks
     
  2. PCJR

    PCJR Formula Junior
    Silver Subscribed

    Oct 31, 2007
    253
    PA
    #2 PCJR, Nov 22, 2020
  3. Il Co-Pilota

    Il Co-Pilota F1 Veteran

    May 29, 2019
    6,023
    Hopefully some place nice.
    Full Name:
    A.B
    #3 Il Co-Pilota, Nov 22, 2020
    Rears should be 55. That is what HRE uses for 12.5.

    HRE uses 32 for 8.5 running stock tyres. So in order to putcthe rim flange at the same spot with 9" wide fronts, use ET38.5. This is also consistent with 15mm spacers being the widest one can use with stock fronts.

    Et 38.5 will allow you to also run the correct front tyre for that setup. Run either a 245 or 255 front.

    So this is what I'd run.

    9x20 et 38.5
    12.5x21 et 55

    I prefer the ability to run a better front tyre rather than a skinny just for a few mm that won't be noticable.

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