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Front Rotors (pair) BBK 380mm - JHM Lightweight for C5-RS6

SKU: JHM-BBK-1026x382x34RS6


Sale Price $1,104.96

The Original Audi Lightweight Rotors engineered and manufactured in the USA since 2010!


Shaves 5lbs of unsprung weight from the front of your car while increasing the diameter of the rotor and braking performance, plus they bolt on just like stock! This is great alternative to replacing your complete rotor with OEM parts when your aluminum hat is reusable. You upgrade to a 15mm larger rotor for less than heavy stock replacments! We also do away with the annoying crack prone holes and sell these with quiet slots.

Stock vs. JHM
-Rotor Weight: Stock = 24lbs(each), JHM = 21.5lbs(each) - 11% LIGHTER, 2.5lbs less each (5lbs total)
-Rotor Cooling Air-gap: Stock = 13mm(.512"), JHM = 18.5mm(.728") - LARGER for better cooling
-Rotor Cooling Center Fin Design: Stock = Straight Fin, JHM = Airfoil - MORE EFFICIENT for better cooling
-Rotor OD: Stock = 365mm(14.4"), JHM = 380mm(15") - 4% LARGER for better caliper leverage on the wheel
-Rotor Thickness: Stock = 34mm(1.34"), JHM = 34mm(.1.34") - SAME
-Bolt pattern: - SAME (fits on the OEM center hat just like an OEM rotor would)

INCLUDES: 2 - JHM 2-piece Lightweight 380mm Big Front Rotor Rings, 20 - New HD 6mm allen bolts, 20 - New HD 6mm washers, 20 - New Self Locking (swedged) nuts - New Longer HD caliper bolts, 4 - New Stainless steel caliper shims, 4. (Each rotor weighs 2.5lbs less than stock for a total of 5lbs weight savings.) 11% lighter!

ONLY AVAILABLE SLOTTED: Our slotting is quiet and not noticeable.

Outer ring specs:
We worked closely with a race brake manufacturer that supplies many NASCAR racers and a couple major brake kit companies. Due to their expertise we chose to have them build us the outer rings to our specs to fit the B7 RS4.

Click to enlarge picture
Audi RS4 Brake Rotor Rings (Front) Big 380 MM

NOTE: With the installs we have done we have found that our slot design is whisper quiet.
Click to enlarge picture
Audi RS4 Brake Rotor Rings (Front) Big 380 MM

Click to enlarge picture
Audi RS4 Brake Rotor Rings (Front) Big 380 MM

Click to enlarge picture
Audi RS4 Brake Rotor Rings (Front) Big 380 MM

Click to enlarge picture
Audi RS4 Brake Rotor Rings (Front) Big 380 MM


Please note: JH Motorsports does not recommend using EBC brake pads with our 2-piece lightweight rotors. Customer have reported and we have found EBC pads leave excessive pad deposits that can cause brake pulsation. Many EBC pads have a break in coating that reacts with the zinc plating used on our rotors



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This product fits the following vehicles:
Make Model Chassis Engine
Audi RS6 C5 (2003-2004) 4.2t V8 40v
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You're reviewing: Front Rotors (pair) BBK 380mm - JHM Lightweight for C5-RS6
Off-road Use

By Purchasing any Off-Road use ONLY products from JH Motorsports, Inc. I acknowledge and understand the following disclosure. (This notice is located at the bottom of the page description of affected products on our website.)

Vehicle Code § 27156:
(b) No person shall operate or leave standing upon a highway a motor vehicle that is required to be equipped with a motor vehicle pollution control device under Part 5 (commencing with Section 43000) of Division 26 of the Health and Safety Code or any other certified motor vehicle pollution control device required by any other state law or any rule or regulation adopted pursuant to that law, or required to be equipped with a motor vehicle pollution control device pursuant to the National Emission Standards Act (42 U.S.C. Secs. 7521 to 7550, inclusive) and the standards and regulations adopted pursuant to that federal act, unless the motor vehicle is equipped with the required motor vehicle pollution control device that is correctly installed and in operating condition. No person shall disconnect, modify, or alter any such required device.
(c) No person shall install, sell, offer for sale, or advertise any device, apparatus, or mechanism intended for use with, or as a part of, a required motor vehicle pollution control device or system that alters or modifies the original design or performance of the motor vehicle pollution control device or system.

Health and Safety Code § 43000:
43001. The provisions of this part shall not apply to:
(a) Racing vehicles.

As the aforementioned code sections outline, it is against the law to operate or use a vehicle on public streets or highways with modified, altered, or disconnected motor vehicle pollution control devices. This may include but is not limited to, Evaporative Fuel Controls, Catalysts, DPF, PTOX, PCV Systems, Exhaust Gas Recirculation Systems, Oxygen Sensors, Thermostatic Air Cleaners, Air Intake Systems, Fuel Injectors, Regulators, Adjustable Cam Gears, ECU Programming, Mapping, or other Computer Modifications. Air Pumps, Air Injection, Timing, and any other Emission System Modification(s).

Purchaser acknowledges and certifies to JH Motorsports Inc., that Purchasers vehicle will only be used for racing applications or off road vehicle use only. Purchaser requests these modifications for the purpose of enhancing the vehicle for competitive Racing Applications and will not use this vehicle on public streets or highways. Purchaser agrees to indemnify JH Motorsports Inc., all employees, officers, owners, and subsidiaries for any civil or criminal liability arising out of use of Purchasers vehicle on public streets or highways as Purchaser has been duly notified of the laws and regulations regarding disconnecting, alteration, or modification of a vehicle’s pollution control devices. Purchaser understands and has been advised the driving of a vehicle on public streets or highways could result in criminal or civil penalties.

Prop 65

Warning: This product may contain a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.

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