355 Wheel Spacers - Hill Engineering | FerrariChat
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355 Wheel Spacers - Hill Engineering

Discussion in '348/355' started by MK355, Mar 5, 2024.

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  1. MK355

    MK355 Karting
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    #1 MK355, Mar 5, 2024
    I searched and there doesn't seem to be much information as to what size wheels spacers, and bolts, have been used on the 355 with OEM wheels. I'm not attempting to do anything drastic but the wheels sit very far inside the fenders and adding 11mm/15mm spacers would make a significant difference on the stance/aesthetics.

    I found these from Hill Engineering. It does require you to manually fill in how long you'd like the bolts to be, it does not provide options. Does anyone have an idea of what length bolts would work with both 11mm and 15mm spacers on stock wheels?

    I am also wondering if I should go 11mm all around, 15mm all around, or 11/15 front/rear combo. Anyone have any experience?

    https://www.hillengineering.co.uk/wheel-related/wheel-spacers/type-1-spacers-bolts/ws011-355
     
  2. Mitch Alsup

    Mitch Alsup F1 Veteran

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    #2 Mitch Alsup, Mar 5, 2024
    I would expect that the 11mm spacer would want bolts 11mm longer--they offer 10mm so that fits expectation.

    I would expect that the 15mm spacer would want bolts 15mm longer--they offer 10mm and that rings a bell.
     
  3. MK355

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    #3 MK355, Mar 5, 2024
    I'm following you, but if the 11mm spacers need bolts 11mm LONGER, then wouldn't the bolts need to be 11mm + stock length?
     
  4. ShineKen

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    #4 ShineKen, Mar 5, 2024
    Order 67mm bolts all around. You’ll be fine.
     
  5. ShineKen

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    #5 ShineKen, Mar 5, 2024
    Stock length is 55mm. The car has about 3mm extra room to play with.
     
  6. MK355

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    #6 MK355, Mar 5, 2024
    Thanks Ken!

    I emailed Hill as well before I started this thread. Will let you know what they say
     
  7. Rilez

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    #7 Rilez, Mar 5, 2024
    I just got a set of the 11mm and 15mm from Hill and they are perfect... still looks stock, but more like how a modern car fills the wheel wells. Just make sure you get the longer bolts from them as a whole package.
     
  8. MK355

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    #8 MK355, Mar 5, 2024
    Thank you. Did you go 15 rear / 11 front? I've been trying to find what length bolts to request from them as you have to fill it in manually when buying the spacers. What size bolts did you get?
     
  9. Rilez

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    #9 Rilez, Mar 5, 2024
  10. ShineKen

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    #10 ShineKen, Mar 5, 2024
    I’d be willing to sell my HE 11 & 15mm spacers along with HE titanium 67mm bolts as a set if anyone is interested :). All parts still pretty good condition. Bolts still look new.
     
  11. ShineKen

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    #11 ShineKen, Mar 5, 2024
  12. Rilez

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    #12 Rilez, Mar 5, 2024
    I wish I knew you two weeks ago Ken!
     
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  13. ShineKen

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    #13 ShineKen, Mar 6, 2024
    Fun Fact:

    HE 67mm titanium bolts exist because I made a special request to HE 10 years ago. At the time, they only offered them in standard 55mm length. I am their first customer for the 67mm titanium set :).
     
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  14. m.stojanovic

    m.stojanovic F1 Rookie
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    #14 m.stojanovic, Mar 6, 2024
    Last edited: Mar 6, 2024
    When I bought 15 mm spacers (for my 348) from HE, they came with 70 mm long bolts (i.e. 55+15). (selling them on Ebay at the moment)
     
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  15. m.stojanovic

    m.stojanovic F1 Rookie
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    #15 m.stojanovic, Mar 6, 2024
    They offer "10 longer bolts" (10 pcs of longer bolts), not "10mm longer bolts". They also ask that you specify the length of the longer bolts.
     
  16. ShineKen

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    #16 ShineKen, Mar 6, 2024
    Problem is 70mm is too long for their 11mm spacers. 67mm is sort of a balanced/simplified choice.
     
  17. m.stojanovic

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    #17 m.stojanovic, Mar 6, 2024
    No problem, just order 66 and 70 mm bolts; but make sure you don't mix them up.
     
  18. ShineKen

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    #18 ShineKen, Mar 6, 2024
    The problem occurs when you change your mind and want to switch between 11 or 15mm spacers… you’ll need to buy more titanium bolts, which aren’t cheap… or at least weren’t.
     
  19. ShineKen

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    #19 ShineKen, Mar 6, 2024
    I’d like to make a correction. 55mm length is standard for challenge wheels. 52mm is standard for standard wheels. I ran challenge wheels.
     
  20. m.stojanovic

    m.stojanovic F1 Rookie
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    #20 m.stojanovic, Mar 6, 2024
    As I understand, "MK355" is not talking about titanium bolts.
     
  21. ShineKen

    ShineKen F1 World Champ
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    #21 ShineKen, Mar 6, 2024
    While we’re at it, I’m also open to trading a pair of my HE 15 mm spacers for a pair of HE 11 mm spacers. I’m looking to run 11mm all around.
     
  22. Ricambi America

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    #22 Ricambi America, Mar 6, 2024
    That is incorrect. F355 uses a 52mm bolt with 'stock' wheels.
     
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  23. MK355

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    #23 MK355, Mar 6, 2024
    I sent you a message
     
  24. MK355

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    #24 MK355, Mar 6, 2024
    Does anyone have pictures of a 355 with stock wheels with 11mm and/or 15mm spacers on?
     
  25. ShineKen

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    #25 ShineKen, Mar 6, 2024
    Corrected in a later post :)
     
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