WHY PAY $750 TO $900 FOR A COMPLETE NEW SET OF FRONT ROTORS FOR YOUR B7 RS4 WHEN YOU CAN BUY THIS KIT AND REUSE THE ALUMINUM HAT YOUR CAR COMES WITH WHILE ALSO GAINING 15MM IN DIAMETER FOR BETTER BRAKING PERFORMANCE???
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.
NOTE: With the installs we have done we have found that our slot design is whisper quiet.
Click to enlarge picture
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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