SKU: 34667976377

034Motorsport Audi B8 S4/S5 2-Piece Floating Front Brake Rotor Upgrade Kit

Sale price$1102.49 Regular price$1224.99
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4

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Description

034Motorsport Audi B8 S4/S5 2-Piece Floating Front Brake Rotor Upgrade Kit034 Motorsport Audi B8 S4 S5 2 Piece Floating Front Brake Rotor Upgrade Kit. The 034 Motorsport 345mmx30mm 2 Piece Floating Front Brake Rotor Upgrade Kit for the Audi B8 B8. 5 S4 S5 is a complete replacement brake rotor kit, designed to work flawlessly with the factory front calipers found on the B8 B8. 5 S4 S5. Weighing in at approximately 19. 00lbs, each rotor reduces rotational weight by 5. 10lbs per corner over the factory 24. 10lb rotors! While

034 Motorsport - Audi B8 S4/S5 2-Piece Floating Front Brake Rotor Upgrade Kit.

The 034 Motorsport 345mmx30mm 2-Piece Floating Front Brake Rotor Upgrade Kit for the Audi B8/B8.5 S4/S5 is a complete replacement brake rotor kit, designed to work flawlessly with the factory front calipers found on the B8/B8.5 S4/S5.



Weighing in at approximately 19.00lbs, each rotor reduces rotational weight by 5.10lbs per corner over the factory 24.10lb rotors! While reducing weight, the rotor retains proper thermal mass in the rings to adequately capture, and dissipate heat.

The central hat portion of the 034Motorsport rotor is made of 6061-T6 aircraft specification aluminium. The disc is constructed out of a proprietary metal alloy that can withstand immense braking temperatures while holding form. From the factory, the same straight-veined rotor is used on both sides of the S4. The 034Motorsport rotors utilize 72 directionally curved vanes to forcefully flow cool air through the rotor to dissipate heat and are unique to the left and right axle to provide a substantial increase in cooling efficiency over the factory rotor design.



The face of the rotor utilizes J-Slot slots to clean the pad and surface of contaminants and allows hot pad outgassing, all while reducing overall braking noise compared to a traditional slotted rotor. The rotor and hat have a floating mount system that utilizes high strength alloy steel bobbins. The pins take the load from braking events while maintaining the axial and radial float between the hat and disc, allowing for safe expansion and contraction from heat.

FEATURES:

  • Lightweight Construction (19.00lb 034Motorsport Rotor vs 24.10lb OE Rotor)
  • Floating, 2-Piece Design
  • Aerospace Grade Aluminium Hats with Type III Hard Anodizing**
  • CM-250 Special Alloy Rotor Rings
  • J-slotted Friction Face
  • OEM Fitment & Functionality
  • 72 Curved Vanes Force Cooling Air through Brake Disc
  • Directionally Curved Cooling Vanes vs OE Straight-Veined Rotors
  • Floating Bobbins Mounting System
  • Replaceable Rotor Rings
  • Lower Long-term Maintenance Cost

WHAT'S INCLUDED:

    • 034Motorsport 2-Piece Floating Front Rotor Pair

OE PART INTERCHANGE:

  • 8K0 615 301 M
  • 4G0 615 301 G
  • 4G0 615 301 AF

**Please Note: Type III hard anodizing of aluminium is considered as a functional surface coating process. While we always aim for colour consistency, colour variations may exist from batch to batch due to the nature and variables in the anodizing process.

FITMENT:

Make Model Years Chassis Engine
Audi Q5 2013-2017 B8.5 3.0 TFSI
Audi S4 2010-2017 B8/B8.5 3.0 TFSI
Audi S5 2008-2012 B8 4.2L FSI
Audi S5 2013-2017 B8.5 3.0 TFSI


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 34667976377

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Sonia V.
Chelsea, US
★★★★★ 5
Costoso para el tamaño
Color: Pink
Muy buena calidad aunque muy caro para el tamaño
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Reviewed in the United States on February 5, 2026
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Cad
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★★★★★ 3
Cost associated either app.
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Not easy instructions and didn’t know there would be a membership cost for app.
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Reviewed in the United States on April 6, 2026
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karolina
Louisville, US
★★★★★ 1
Average quality, not as premium as expected
Color: Beige
Before buying, I thought it would be a thick, glossy satin ribbon. After receiving it, I found the material is rather thin and the texture feels quite ordinary. When used for gift wrapping, it looks a bit cheap and doesn’t match the effect shown in the pictures.
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albert berenberg
Boise, US
★★★★★ 1
Print quality is inconsistent
Color: Pink
Some labels come out okay, others look blurry or faded, especially with smaller fonts. For decorative ribbons, details matter, and this just isn’t reliable.
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Kimberley Cameron
West Palm Beach, US
★★★★★ 1
Edges fray easily after cutting
Color: Beige
After cutting the ribbon, the edges tend to fray quite easily. This makes it less attractive when tying bows or using it for decoration, and it requires extra handling, which is not very convenient.
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Reviewed in the United States on December 26, 2025

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