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034Motorsport 2-Piece Floating Front Brake Rotor Upgrade Kit for Audi B8/B8.5 S4/S5/Q5 2008-2017
$909.90

If you’re looking to upgrade your Audi B8/B8.5 S4 or S5’s braking system, the 034Motorsport 345mm x 30mm 2-Piece Floating Front Brake Rotor Upgrade Kit is a solid choice. This isn’t just any rotor kit; it’s designed to work seamlessly with your factory front calipers, so you don’t have to worry about compatibility issues.

Let’s talk weight. Each rotor comes in at about 19.00 lbs, which is a nice drop of 5.10 lbs per corner compared to the stock rotors that weigh in at 24.10 lbs. That’s a noticeable difference when you’re out on the road or track. Not only do you shed some weight, but these rotors also maintain the right thermal mass, which is crucial for capturing and dissipating heat effectively.

The central hat of these rotors is crafted from 6061-T6 aircraft-grade aluminum, making it lightweight yet incredibly durable. The rotor rings are made from a special proprietary metal alloy that can handle extreme braking temperatures without losing shape. Unlike the factory rotors, which use the same straight-veined design on both sides, the 034Motorsport rotors feature 72 directionally curved vanes. This design really ramps up the cooling efficiency by forcing cool air through the rotor, which is a game changer during those intense braking moments.

Now, let’s get into the rotor face. The J-Slot slots do a great job of cleaning the brake pad surface and allowing for hot pad outgassing. Plus, they help cut down on noise compared to traditional slotted rotors. The floating mount system is another highlight, using high-strength alloy steel bobbins. This setup allows for safe expansion and contraction due to heat while keeping everything aligned during braking.

Features

  • Lightweight construction—19.00 lbs for the 034Motorsport Rotor vs. 24.10 lbs for the OE Rotor
  • Floating, 2-piece design for better performance
  • Aerospace-grade aluminum hats with Type III hard anodizing
  • CM-250 special alloy rotor rings designed for durability
  • J-slotted friction face to enhance performance
  • OEM fitment and functionality, no surprises here
  • 72 curved vanes for efficient cooling
  • Replaceable rotor rings—lower long-term maintenance costs

Included in the Kit

  • 034Motorsport 2-Piece Floating Front Rotor Pair

OE Part Interchange

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

Fitment

  • Audi S4 2010-2017 B8/B8.5 3.0 TFSI
  • Audi S5 2008-2017 B8/B8.5 4.2L FSI
  • Audi Q5 B8.5 3.0 TFSI 2013-2017

Note

  • Type III hard anodizing is a functional surface coating process. While we strive for color consistency, expect some variations due to the nature of anodizing.

So, if you’re ready to take your braking game to the next level, these rotors are worth considering. They’re not just about looks; they bring real performance benefits that you’ll feel every time you hit the brakes.

Other Part Numbers:
034 Motorsports #VR034-301-1007

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2013-2016
Audi Q5
2010-2016
Audi S4
2010-2016
Audi S4 Avant
2008-2017
Audi S5
2008-2017
Audi S5 Sportback

034 Motorsports Logo

Who is 034 Motorsport?

034 Motorsport was founded in 2005 for enthusiasts by enthusiasts with a passion for bringing motorsport-quality performance upgrades and tuning to Audi and Volkswagen vehicles. Since its inception, the company has grown to meet the expanding needs of petrolheads with innovation, quality, and performance in mind. 034 Motorsport is dedicated to providing customers with only the finest performance products, tuning, and service for their Audi or Volkswagen.

Dedicated to the Car Scene

034Motorsport is owned and operated by car enthusiasts just like you! This means that you can count on them for expert advice and products that deliver each and every time. When they aren’t at work, you can find the 034 Motorsport folks at local car meets, Audi Club Track Days, or simply at home working on their own rides.   

Being gearheads themselves, the 034 Motorsport staff understands the importance of a strong automotive community and giving back to the customers they owe their success to. 034Motorsport is a proud sponsor of Audi Club North America's Golden Gate Chapter, in addition to several other popular automotive forums, including Audizine, Fourtitude, VWvortex, and QuattroWorld. The brand also supports NorCal Audi Club, and frequently hosts events for its members.

Involvement in Competition Racing

034Motorsport stays true to its roots (and name) by actively participating in motorsport events, like time attacks, endurance racing, and hill climbs. These events allow the company to simultaneously showcase its products and racing expertise, while putting them to the ultimate test. A number of 034 Motorsport’s most iconic projects, including the Time Attack A4, GTI-RS, and 80tq raised the bar for on-track performance, while also accelerating production and testing processes. 

Extensive Quality Product Lineup

034 Motorsport is well-known for producing some of the finest race-proven performance upgrades for Audi and Volkswagen enthusiasts. The 034 Motorsport performance facility is located in Fremont, California and home to its engineering, manufacturing, and tuning departments. The company prides itself on in-house manufacturing, where it designs, fabricates, calibrates, and tests all products under one roof with complete control. 034 Motorsport carries a wide range of products that includes suspension parts, motor mounts, intakes, silicone hoses, and numerous underhood goodies.

Find 034 Motorsport at Vivid Racing

You can find an extensive lineup of quality 034 Motorsport parts right here at Vivid Racing. We carry everything from 034 Motorsport blow-off valves, cold air intakes, intercoolers, differentials, and ventilation systems to wheel spacers, springs, turbos, mid-pipes, and steering components. Whatever you may possibly need, chances are we carry it! If you cannot find a particular item above or have any questions, please call our sales team at (480) 966-3040.

It is the intention of 034Motorsport to sell only quality products. We offer a 1-year warranty against defects in workmanship or materials, not extending to normal tear and wear or mis-use. You must provide us with a proof of purchase, defect or the result of wear or mis-use. Some products have less than 1-year warranty. Please inquire before ordering.

034Motorsport will only replace or repair warranty items. No refunds will be given. 034Motorsport or the product manufacturer will inspect or test all products prior to a warranty claim adjustment. This process may take up to 6 weeks. You must obtain an RMA number from either Customer Service or Technical Support prior to any return. All products we offer are warranted to be free from defects prior to installation. Any modification or improper use voids this warranty. This warranty does not cover installation. 034Motorsport shall be the final arbitrator in interpreting the extent and remedy of warranty.

034Motorsport warranties are not transferrable, and available to the original purchaser only, however if you do buy a 034Motorsport part second hand and have a problem with it, do contact us as we can typically arrive at a reasonable, fair solution.

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