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RB OE Two Piece Rotor Kit for Ford Focus RS 2016+ (P/N 2562 & 2563)
RacingBrake OE Two Piece Rotor Kit for Ford Focus RS 2016+ (P/N 2562 & 2563)
This product photo is for reference only.
 
Our Price: $1,407.99
Sale Price: $1,267.19
You save $140.80!

Availability: Usually Ships in 1 to 2 Days
Product Code: FOR-IRK-03
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Description
 
This kit includes:
Rotor Weight Comparison

FRONT REAR
Size (mm) Wt (lbs) Size (mm) Wt (lbs)
OE one piece 350x25 23 302x11 12 (estd)
RB two piece 350x28 18.6 300x12 9.2
Replacement rotor ring:
Front: D401-07-381
Rear: D008-01


Moment of Inertia:

Discussion on FocusRS Forum.
http://www.focusrs.org/forum/29-focus-rs-brakes/59...

A quantity expressing a body's tendency to resist angular acceleration.
It is the sum of the products of the mass of each particle in the body with the square of its distance from the axis of rotation.






Features and Benefits:

Rear rotor surface comes with curved slots helping to collect brake dust debris and keep the disc surface clean for better braking efficiency.


Detail of RB two piece rotor hardware - Self locking nuts, keep hat and disc together w/o using locking agent (glues) that retain the same torque regardless of operating temperature, while discs are still free to expand and contract during heat cycles.


These two-piece rotors were engineered to be the best stock replacement two-piece rotor on the performance market. This rotor is direct bolt-on, easy to install, no additional hardware needed. They can deliver consistent brake torque under extreme heat, session after session. When it comes to replacement - operating cost over the time will be lower than one-piece rotor. Our unique and patented rotor designs make our discs cooler and last longer:
  1. Convergent vane design

    The cooling vanes are of a convergent nozzle design, which increases airflow and turbulence and makes discs cooler. (Illustration #1)







  2. Center-mount design

    The center-mount flanges for hat mounting to the rotor ring have several benefits. (Illustration #2)
    • It allows the ring to be used on either side of the vehicle simply by mounting the hat on either side of the ring (unidirectional).
    • The stress load transferred from the ring to the hat is balanced.
    • Air inlets are widely open to both inboard and outboard sides of the rotor. More air suctions and even temperature on both sides of the disc surface.
    • Heat transfer from the disc surfaces to the hat is even and minimized by increasing the flange length and the airflow around the flanges.
    • Mounting flanges are on both friction surfaces ultimately provides excellent heat balance.
  3. True floating design

    Exclusive full floating design with 10.9 grade alloyed hardware. Hardware is DACRO coated and crimp locking. DACRO is highly corrosion resistant and provides a film for easier movement between the hat and rotor ring as disc expands and contracts and the crimp design provides positive engagement without rattling or torque loss at temperature.


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