Why does the drilling of the brake disc fixing not match the wheel hub when converting the brakes?

In brake system modifications, OE components from different vehicle models are often combined. Although all functionally relevant dimensions are coordinated, the position of the hole for the standard brake disc fixing screw may differ from the threaded hole in the wheel hub. This is design-related and not an indication of a wrong brake disc or a faulty fit—provided that the components specified in the product description are used.The fixing screw is solely used to temporarily hold the brake disc on the wheel hub with the wheel disassembled. It does not perform the centering or the force-fit fastening of the brake disc.The centering is done depending on the modification over the centering collar of the wheel hub or an included centering ring. When mounting the wheel, the brake disc is flat and force-fit clamped against the wheel hub flange together with the rim using the wheel bolts or wheel nuts.The standard fixing screw is not used in this case. Drilling or machining the brake disc or the wheel hub is neither required nor intended.

Which RAL colors can we not offer for the coating of our brake calipers?

We can paint your brake calipers in almost all common RAL colors. However, an exception is RAL fluorescent colors (neon/fluorescent colors) – we cannot offer these for brake caliper painting.The reason: fluorescent colors work technically different from normal RAL colors (they require special pigments/layer structures) and are significantly more sensitive in the "brake" application area. For a consistently clean, robust surface, we therefore rely on paint structures that have proven themselves in the brake area – and fluorescent RAL is excluded here.We do not offer these RAL fluorescent colors (examples)RAL 1026 Fluorescent YellowRAL 2005 Fluorescent OrangeRAL 2007 Fluorescent Light OrangeRAL 3024 Fluorescent RedRAL 3026 Fluorescent Light RedRAL 6038 Fluorescent GreenTip: If you want a "neon look," we often find a very similar non-fluorescent RAL alternative that is visually close and much more suitable for brake calipers.

My brake caliper is not exactly centered over the brake disc - what should I do?

If your brake caliper is not exactly centered over the brake disc, in most cases it is not a problem. Depending on the vehicle, model year, and mileage, axle tolerances can occur – and this even in newer vehicles.The most important thing is:👉 The brake caliper must have sufficient clearance on the left and right to the brake disc so that nothing rubs or permanently touches it.Many brake calipers also have locking bolts. It may happen that:there is very little clearance on one side or the bolt lightly toucheswhile on the other side there is more playThis is generally not critical.🔧 This is how you proceed:Install brake pads:First check if the brake pads can be inserted cleanly and without resistance on both sides.If everything fits:If installation is possible without problems, you can simply gently push back the locking bolts – this usually resolves the issue.If it jams:If the brake pads cannot be installed, or only with difficulty, on one side, action is required.In this case, you can:slightly shim the adapter with suitable bushings to adjust the brake caliperor – depending on the situation – slightly mill the adapter so that the brake caliper is correctly centered again👉 The goal is always that the brake caliper is evenly aligned with the brake disc and the brake pads are seated freely and cleanly.

What torque should be used to tighten the sealing nipples on the brake caliper?

We recommend tightening the sealing nipples on the brake caliper with 20 Nm.Why is this important?The correct torque ensures a secure seal. A too loose fit can lead to leaks, whereas over-tightening can damage threads or components.Should a torque wrench be used?Yes, for precise and safe installation, we recommend using a torque wrench.Should anything be checked after installation?Yes, the sealing nipple should be checked for tight fit and sealing afterward.

Large Brake System Kit Audi RS6 RS7 C8 Brake Caliper Adapter 420x406mm Brake Disc 10-Piston Akebono Brake Caliper - Brake Caliper Color: Bare without Paint

Name: Large Brake System Kit Audi RS6 RS7 C8 Brake Caliper Adapter 420x406mm Brake Disc 10-Piston Akebono Brake Caliper - Brake Caliper Color: Bare without Paint
Brand: EPYTEC
SKU: 1155-KIT-Blank
Price: 2019.12 GBP
Availability: InStock

groes-bremsanlagenkit-audi-rs6-rs7-c8-bremssatteladapter-420x406mm-bremsscheibe-10-kolben-akebono-bremssattel---farbe-bremssattel-blank-ohne-farbe-1155-KIT-Blank-2

£2,019.12*

Prices incl. VAT plus shipping costs

Available

Product number: 1155-KIT-Blank

Delivery by Tuesday, 01.09.2026 if you order within the next 1 Hour.

Brake caliper color

Blank without color

Red with Epytec logo

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19 Jahre Expertenwissen

With our high-performance brake system kit, you can upgrade your Audi RS6 / RS7 C8 to a significantly larger and more powerful brake system on the front axle.
This kit includes:

– Brake calipers: Audi RS7 / E-Tron 10-piston Akebono
– Brake discs: Audi RS6 C8 420x40mm

This combination allows you to safely use the massive 420 mm discs in conjunction with the durable 10-piston calipers on your Audi RS6 / RS7 C8 and thereby achieve noticeably improved braking performance and stability.

The brake system kit is not only sporty but also suitable for everyday use and, thanks to the drilled sport brake discs in conjunction with our ceramic pads, provides ideal performance while simultaneously reducing brake dust, temperature and wear.

Another advantage of our brake system kit is that it is equipped with the same original brake calipers and brake discs that are also installed in production vehicles. These OE parts not only make replacing the brakes simple and straightforward, but also make TÜV approval easier.

With this high-performance brake kit, you can get started right away and have everything you need to upgrade your front axle to a 6-piston brake system.

The high-performance brake system kit / Big Brake Kit is suitable for the following vehicles:

Audi RS6 C8
Audi RS7 C8

Advantages of this brake system:

Our components, such as brake calipers and brake discs, come from production vehicles and are OE parts. This makes replacing the brakes simple and straightforward and makes TÜV approval easier.
the material certificate included in the scope of delivery can enable approval by individual inspection even for production vehicles
high-performance brake pads with a longer service life than original pads
extreme deceleration values, also in conjunction with our rear axle brake system
directly suitable for the models listed above and therefore can be easily converted back to the original condition at any time
our EPYTEC brake caliper adapters do not require you to send in your standard parts, nor do they require any rewelding, remilling or redrilling.

Note :

Please note that these brake calipers are supplied bare.
Get our high-performance brake system kit now and experience ideal performance and durability.

Scope of delivery:

2x new Audi RS7 / E-Tron 10-piston Akebono brake calipers part numbers: 4J3615123E / 4J3615124E / 4K0615107N / 4K0615108N; including complete new retaining clip kit for the brake calipers: bare
matching set of two-piece Brembo sport brake discs 420x40mm
2x ceramic brake pads for less brake dust and longer service life
2x brake caliper adapters for Audi RS6 C8 RS7 C8
high-strength bolt material
material certificate
stress analysis / FEM calculation for approval

We provide a TÜV certificate with this adapter. This means that the TÜV inspector can easily register the adapter.

FAQ: Häufige Fragen

Sollte ich die Anker- bzw. Staubbleche entfernen?

Wir empfehlen das Entfernen der Bleche, da sie die Belüftung einschränken. Ohne diese Barriere wird die Bremse effizienter gekühlt und bleibt auch bei starker Beanspruchung leistungsfähig.

Wie erleichtere ich mir die Felgenmontage?

Mit Radmontagehilfen gelingt das Ausrichten und Aufsetzen der Felge einfacher und präziser. Das schützt Gewinde und Felge und spart Zeit.

Radmontagehilfe ansehen

Benötige ich Spurverbreiterungen nach dem Umbau?

Welche Felgengröße passt, lässt sich pauschal nicht sagen. Streift die Felge minimal am Bremssattel, schaffen Spurverbreiterungen den nötigen Abstand.

Spurverbreiterungen ansehen

Brauche ich neue Bremsleitungen?

Für optimale Passform und stabile Bremswirkung empfehlen wir Stahlflex. Diese sind konfigurierbar und liefern konstantere Ergebnisse als Gummileitungen.

Stahlflex konfigurieren

Warum unsere Adapter die beste Wahl sind

Wusstest du, dass sich dein EPYTEC-Adapter oft schon nach dem ersten Verschleißteilwechsel komplett bezahlt macht?

Das liegt daran, dass du mit unseren Adaptern auf OE-Bremsscheiben und -Sättel setzt, die wir bewusst bei der Entwicklung der Adapter ausgewählt haben. Diese Komponenten sind nicht nur in höchster Qualität gefertigt und in Serienfahrzeugen im Einsatz, sondern durch ihre Großserienproduktion auch günstig und jederzeit verfügbar.

Für dich bedeutet das: erstklassige Bremsleistung ohne Abhängigkeit von teuren Speziallösungen anderer Hersteller.

Und selbst beim TÜV hast du es leichter, denn unsere OE-Komponenten sind bereits offiziell abgenommen – der Prüfer kann sich direkt darauf beziehen, sodass deine Eintragung unkompliziert und sicher abläuft.

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.

Brake caliper type: Akebono 10-Kolben Bremssattel

Manufacturer: Epytec

Mounting location: front