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Baero BBK Do-It-Yourself Wilwood Kit - Group Buy

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Old 08-15-2019, 09:45 AM
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Default Baero BBK Do-It-Yourself Wilwood Kit - Group Buy

Batch 2 is now in production and ready to preorder: https://baero.tech/s2000-brakes/diy-wilwood-bbk

A few forum members have reached out to me to develop a DIY BBK kit for our S2000. I have done with for a few cars already in the past so I know the logistics of making it happen. For the money it is a great kit and gives the power to the consumer. Many companies make a profit by operating as the middle man, so that would be eliminated and transferred to you.

In order to make a batch, we need a group of 10 people to get pricing to work. A set of rotor hats and brackets would be provided, then you would piece the rest of the kit together. The rotor hats and hardware are $400 for a set. This includes mounting hardware. The kit would work as a pre-order so payment will be required up front. Since this requires a large batch to get good pricing, this kit will not be for sale on my website full-time, but offered as a one-time batch.

This kit is designed for the following parts:

Calipers: Wilwood Forged Superlite - $350 - https://www.summitracing.com/parts/wil-120-11130
Brake Lines: Wilwood Brake Line Kit - $80 - https://www.wilwood.com/linekits/lin...emno=220-10841
Rotor Rings: AP Racing 325x32mm Rotors - $500 - https://www.essexparts.com/ap-racing...-rings-32532LH ; https://www.essexparts.com/ap-racing-j-hook-rings-32532
Rotor Hat Hardware - AP Racing - $50 - https://www.essexparts.com/10bolt-disc-hardware-kit
Pads - Hawk DTC60 (as an example) - $153 - https://www.ebay.com/itm/Hawk-DTC-60...YAAOSwYIxX2e7X

By buying the consumable parts yourself, this kit is ~$500 cheaper than comparable sets on the market. This is the kit I have ran for over 10 years on numerous cars and it works flawlessly. I am on the end of year 2 on the same set of rotor rings (~60 track days so far). I just changed my pads for the first time in 2 years. Wilwood uses a 20mm pad shape which is super common. They last a long time and are really cheap. I use the 1.38" piston diameter calipers, but the beauty of this kit is you can buy the bigger pistons if it suits your platform better.

The rotor hat and bracket will be made of 6061-T651 aluminum. The bracket will have helicoils installed so you don't have to worry about ruining the threads with steel bolts.

Group buy slots:

1. Roel03
2. @HawkeyeGeoff (paid)
3. @stewpitt (paid) 9405509699937836345817
4. @mpoganski (paid) 9405509699937836345831
5. @spaded.racer (paid) 9405509699937836345800
6. @ncrx (paid) CH078446793US
7. @Nate Tempest (paid) CH078447989US
8. @Joey Nguyen (paid) 9405509699937836345824
9. @Zer0ne (paid) 9405509699937836345855
10. @nb12 (paid) 9405509699937836345862

Assembly with Wilwood Superlite and 325mm Rotor:



3D View of Mounting Bracket:



3D View of Rotor Hat:


Last edited by roel03; 01-20-2020 at 04:16 AM.
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Old 08-15-2019, 09:47 AM
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BOO YA! Exactly what I've been looking for! I'm in!! I've seen 3d printed parts on a car and it looked pretty perfect to me.
Old 08-15-2019, 11:27 AM
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*Digging through old forum posts but;
Anyone have info on wheel offset needed to clear the Wilwood Superlites?
Old 08-15-2019, 11:31 AM
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Originally Posted by spaded.racer
*Digging through old forum posts but;
Anyone have info on wheel offset needed to clear the Wilwood Superlites?
https://www.s2ki.com/forums/s2000-mo...s-bbk-1165797/

Depends on the wheel is the answer.
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Old 08-15-2019, 11:58 AM
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Originally Posted by spaded.racer
*Digging through old forum posts but;
Anyone have info on wheel offset needed to clear the Wilwood Superlites?
Originally Posted by HawkeyeGeoff
https://www.s2ki.com/forums/s2000-mo...s-bbk-1165797/

Depends on the wheel is the answer.

Neither of my current square setups will work with this. I'm still on OEM wheels studs so spacers aren't an option either.
Old 08-15-2019, 03:10 PM
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Originally Posted by HawkeyeGeoff
https://www.s2ki.com/forums/s2000-mo...s-bbk-1165797/

Depends on the wheel is the answer.
Thanks, I figured. Been contemplating going with the Stoptech kit for a while now, was going to go with the Weds TC105X +49 if I did.
Was curious if my current wheels would work with these with a small spacer but ti doesn't seem like it.
Old 08-15-2019, 04:54 PM
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Brake bias?

What is the percentage shift F/R if any?

Asking for everyone else - i'm happy with my current BBK and am not in the market for replacing it.
Old 08-15-2019, 07:47 PM
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Already have a BBK but since this kit was designed to save money I'm surprised you didn't go with a smaller less expensive rotor
Old 08-15-2019, 10:07 PM
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Originally Posted by Bullwings
Brake bias?

What is the percentage shift F/R if any?

Asking for everyone else - i'm happy with my current BBK and am not in the market for replacing it.
The linked Wilwood caliper has 35mm pistons, which would maintain compatibility with the stock rear brakes. (I'm guessing a slight shift forward, which is good given you'll have wider than stock front tires, but I'm not certain of that. According to flanders this shifts the bias 5% to the rear.) However, if you wanted to shift more to the front (because you were also upgrading the rears with eg the SakeBomb RX8 caliper kit) you could get the ones with the 41mm pistons instead.

This is such a good deal I'm tempted by it even though I already have a Stoptech bbk!

Last edited by Nate Tempest; 08-15-2019 at 11:12 PM.
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Old 08-15-2019, 10:21 PM
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With the smaller 35mm pistons the bias will be shifted 5% to the rear, the larger 41mm pistons gives 30% more to the front.
Use this spreadsheet to check for yourself, this seems to be same spec as the SKB kit.
https://docs.google.com/spreadsheets/d/1QB-R9Mz0Pehm_MudPWQWM67ua1XxktuQcJq6tPJIKjk/
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