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Simple registration for the technical inspection
QUALITY MADE IN GERMANY
DIRECT FROM THE MANUFACTURER
WORLD'S NR.1 TUNING ADAPTER
15 YEARS OF EXPERT KNOWLEDGE
FREEDOM: INSTALL WHAT YOU WANT
Simple registration for the technical inspection
QUALITY MADE IN GERMANY
DIRECT FROM THE MANUFACTURER
WORLD'S NR.1 TUNING ADAPTER
15 YEARS OF EXPERT KNOWLEDGE
FREEDOM: INSTALL WHAT YOU WANT
Simple registration for the technical inspection
QUALITY MADE IN GERMANY
DIRECT FROM THE MANUFACTURER
WORLD'S NR.1 TUNING ADAPTER
15 YEARS OF EXPERT KNOWLEDGE
FREEDOM: INSTALL WHAT YOU WANT
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Made in germany

Brake Caliper Adapter Audi 200 20v S4 for Porsche 993 Biturbo Brake System

  • ✓ 323x30 4D0615301J 4D0615301F Audi A6 A8 S8 brake disc
  • ✓ 4-piston 99335142510 / 993.35142610 The Big Red brake caliper
  • ✓ front axle

⚠️ Important Notice:
This item is produced exclusively upon request. As it is a made-to-order special production based on demand, there is no right of withdrawal pursuant to § 312g (2) No. 1 of the German Civil Code (BGB).
Therefore, returns or exchanges are excluded.


1 pair of high strength caliper adapters for the front axle to mount the Porsche Turbo or the identical large RS2 calipers (also called The Big Red) on the Audi S4 c4 and Audi 200 Turbo 20v.

Fits all models that were equipped with the undersized and vulnerable so-called UFO brake. Hole spacing on the brake caliper mounting: 130mm.
With our adapters you can combine the Porsche brake calipers with the 323x30 discs from the Audi A6 A8 and S8.

This has the following advantages for you:

  • The AUDI bolt circle of 5x112 mm can be retained. therefore no costly Porsche bolt circle conversion.
  • Cost-effective brake discs, you get the pair already for about 150€.
  • Deceleration values similar to Porsche Turbo
  • Only small adjustments to strut and hub nötwendig
  • Problemos again in original condition Rückrüstbar
  • Double the service life compared to the original brake system
  • Brackets are made of high strength steel alloy (Including material certificate)
  • Adapters are delivered galvanized, best corrosion protection according to DIN ISO 9227
  • By the material certificate included in the scope of supply a registration can be made possible by individual acceptance also with series vehicles

Required components:

  • Brake discs part number: 4D0 615 301 J, 4D0 615 301F
  • Brake caliper part number: 993.351.425.10 / 993.351.426.10 (Only 100% suitable with the specified Porsche calipers)

Scope of delivery:

  • 2 high strength brake caliper holders for the UFO strut.
  • Material certificate
  • Installation cable

Tips, information and hints:

  • For a better ventilation of the brake system, we recommend removing the dust cover plates and brake anchor plates.
  • We can generally not answer, which rim size you can mount after your brake conversion. There are simply too many different rims.
  • In rare cases it is possible that the rims touch minimal the brake caliper, then you can simply use spacers. >> Now directly to spacers <<
  • Install the adapter with the necessary components and then check if new brake lines are required. Because, depending on the vehicle, the lines may be too short or the line tips may not suitable. We advise you to change to steel braided brake line because of the quality and technical advantage. Specifically for this, we have developed an online brake line configurator, where you can assemble the type of steel braided brake lines you want. Click here to go to the configurator >> Configure steel braided brake lines <<

Please note that our articles have been designed for racing and motorsport. Use in public road traffic usually requires an individual approval in accordance with § 21 StVZO by an officially recognised expert. Further information can be found under TÜV Süd. For the individual approval, we will provide you with an expert opinion or material certificate, if available.

Technical data:

Brake caliper hole spacing: 142
Hole spacing steering knuckle: 146
Manufacturer: Epytec
Mounting location: front
Brake caliper hole spacing: 142
Hole spacing steering knuckle: 146
Manufacturer: Epytec
Mounting location: front

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8 January 2025 14:08

Review with rating of 5 out of 5 stars

Jaroslav V

Díl je vzdálený 500km, montហbude 3/2025

  • Can I also use other brake discs as specified in the required components?
  • No, unfortunately that is not possible. The reason is simply: all brake calipers have different heights and depths. If another brake disc is installed, the brake caliper would either not fit on the adapter or not run in the middle of the brake disc. But if you want to install a different brake caliper, we also have an option for you. You can have a custom-made product made for you, take a look at the following link for more information: https://epytec.de/uk/custom-made-products/brake-technology/adapters-for-brake-systems

  • Can I also use other brake calipers as specified in the required components?
  • No, unfortunately that is not possible. The reason is simply: all brake calipers have different heights and depths. If another brake disc is installed, the brake caliper would either not fit on the adapter or not run in the middle of the brake disc. But if you want to install a different brake caliper, we also have an option for you. You can have a custom-made product made for you, take a look at the following link for more information:

Questions? Click here for the contact form
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2.1 Turbo quattro 447|182PS(134KW)
2.3 447|136PS(100KW)
2.2 Turbo 448|165PS(121KW)
2.2 Turbo quattro 448|165PS(121KW)
2.2 Turbo 447|200PS(147KW)
2.2 447|137PS(101KW)
2.1 Turbo 448|182PS(134KW)
2.2 448|137PS(101KW)
2.2 Turbo 447|190PS(140KW)
2.2 Turbo 448|190PS(140KW)
2.2 20V Turbo quattro 447|220PS(162KW)
2.3 448|136PS(100KW)
2.2 Turbo quattro 447|200PS(147KW)
2.1 Turbo 447|182PS(134KW)

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2.2 20V Turbo quattro 448|220PS(162KW)
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3.6 quattro 4C8|245PS(180KW)
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4.2 quattro 4C8|280PS(206KW)
4.2 quattro 4C2|280PS(206KW)
3.6 quattro 4C8|250PS(184KW)
3.6 quattro 441|245PS(180KW)
4.2 quattro 442|280PS(206KW)
3.6 quattro 4C2|245PS(180KW)
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3.6 quattro 442|245PS(180KW)
4.2 quattro 441|280PS(206KW)

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