Select the year of your Audi RS4:

StopTech 2PC AeroRotor /Hat Pair Drilled Audi 80 Front 1988 for 2007-2008 Audi RS4 81.113.9921 | Vivid Racing
StopTech AeroRotor Replacement Kits ARK (81.113.9921)
Upgrade your ride with the StopTech AeroRotor Replacement Kits ARK, designed specifically for those who want to enhance their vehicle’s braking performance without replacing the factory brake calipers. These kits are engineered to fit seamlessly with your existing setup, providing a significant boost in cooling, handling, and overall braking efficiency.
Key Features
- Position: Front
- Style: Drilled
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm
Enhanced Performance
The AeroRotor features a patented internal vane design that significantly improves airflow, pushing up to 80% more air than standard rotors. This results in better cooling and reduced brake fade, especially during high-performance driving or track days. The unique floating design allows for independent expansion of the rotor and hat, minimizing the risk of warping.
Lightweight Design
Constructed from aircraft-grade aluminum, these rotors are up to 8 pounds lighter than stock options. This reduction in unsprung and rotational mass translates to quicker acceleration and deceleration, along with improved handling characteristics. You’ll notice the difference in responsiveness on the road or track.
Optimized Heat Dissipation
The slotted or cross-drilled design of the AeroRotors enhances heat dissipation, friction material engagement, and debris clearance. This ensures that your brake pads maintain optimal contact with the rotor, providing consistent performance with every application of the brakes.
Durability in All Conditions
For those in colder climates where road salt and chemicals are a concern, an optional anti-corrosion zinc finish is available. This finish not only helps prevent rust but also maintains the aesthetic appeal of your rotors, keeping them looking fresh and clean.
Customer Feedback
Many customers have praised the StopTech AeroRotor Replacement Kits for their noticeable improvement in braking performance. One user noted, "After installing the AeroRotors, I felt a significant difference in my car's braking responsiveness. They cool down faster and have made my driving experience much more enjoyable, especially during spirited drives." Another customer highlighted the lightweight design, stating, "The reduction in weight was immediately noticeable. My car accelerates quicker, and the handling feels sharper." These firsthand experiences reflect the quality and performance of the AeroRotor kits.
Specifications
All StopTech AeroRotors are 100% made in the USA, ensuring high-quality craftsmanship and reliability. The combination of innovative design and premium materials makes these rotors an excellent choice for anyone looking to boost their vehicle's braking capabilities.
Other Part Numbers:
StopTech #sto81.113.9921
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Make Vehicle | Model | Year |
---|---|---|
2007-2008 Audi RS4 |
RS4 | 2007-2008 |
It is easy to make a vehicle go fast but always keep in mind that it is equally important to make it stop as quickly as it can. Many new drivers forget that improving the stopping power of your vehicle could help you avoid any life and death situation you might encounter. It is the reason why when you upgrade your braking system, it is best that you choose a brand that you can depend your life on.
How It All StartedStopTech was established in 1999 with the sole mission of becoming a leading manufacturer and supplier of high-performance brake components and systems. The company quickly garnered a solid reputation for quality and performance that was proven both on and off the track. The StopTech team is united by their deep passion for racing and high-performance cars, which they draw upon when coming up with new and innovative products.
Brake Parts ExpertsStopTech is the high-performance and racing brand from Centric Parts – a leading innovator of world-class brake products for race cars, streetcars, and track cars. StopTech was the first brand to offer balanced brake upgrades for production cars and remains a global leader in its industry.
Wide Range Of Braking SystemProductsThe company boasts more than 700 platform offerings that can dramatically improve a vehicle’s overall braking performance and safety. StopTech brake parts and complete systems provide more controlled stops at shorter distances with a firmer brake feel, better brake modulations, and superior control in a wide range of conditions.
StopTech has something for every performance need, including calipers, brake pads, axle packs, stainless steel brake lines, sport rotors, racing brake fluid, and big brake kits. StopTech is dedicated to offering high-performance brake solutions that are specifically designed to seamlessly integrate with each other for optimal performance and braking benefits.
Honored For Quality & PerformanceStopTech has earned five patents and several accolades throughout the years, thanks to its industry-leading technologies and top-grade materials. In 2013, StopTech earned full ISO/TS 16949:2009 Quality Management System certification for the design and manufacture of StopTech brakes. What’s more, StopTech has been awarded the highly coveted TUV approval on several of its big brake kits.
These kits have successfully passed TUV’s demanding series of tests that examine their performance, durability, fitment, and installation process. This further demonstrates that StopTech’s products have met or exceeded the rigorous standards set forth by the respected German Agency.
Built For Aspiring And ProfessionalStopTech Racing was founded to service the dedicated and growing racing markets. It is the meat and potatoes of StopTech, and provides the stiffest calipers and best airflow rotors to race teams and top-level competitors from all around the globe. StopTech Racing engineering support is unmatched in the industry, with personalized service available to customize winning race solutions for all your needs.
Whether it’s in SCCA Pro Pirelli World Challenge, Grand-Am Continental Tire, Lucas Oil Off-Road Racing Series, NASA, SCCA, Time Attack, and drifting competition, StopTech Racing has something to cover nearly all forms of production-based racing. To this day, more and more racers and speed fanatics continue to rely on StopTech’s state-of-the-art braking components to deliver unprecedented performance with an impressive look and feel that is second to none.
Upgrade To StopTech Brakes TodayIf you are looking for confidence-inspiring responsiveness with unparalleled stopping ability, then look no further than StopTech’s brake kits. Vivid Racing carries a comprehensive lineup of StopTech products, including AeroRotor replacement kits with drilled and slotted rotors, for a number of different makes, models, and vehicle applications. To learn more about StopTech or its products, please call our expert sales team at (480) 966-3040 and find out their list of products that fit your specific application.
Check out these other great products
