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RB Front & Rear Two Piece Rotor Kit for 2013-14 Mustang GT500 (P/N 2233 & 2257)
Two Piece Rotor Pkg. for Mustang GT500 Front & Rear (P/N 2233 & 2257)
This product photo is for reference only.
Our Price: $2,487.28
Sale Price: $2,238.55
You save $248.73!

Price with Selected Options: $2,238.55
Size: See below
Rotor Wt (lbs.): See below

Product Code: FOR-IRK-01

RB-Brake Pad

XR70/XT910 - Track (PD1666-3R7 & PD1465-391) [Add $102.00]
Brake Fluid

Castrol SRF (2 liters) [Add $119.90]
Motul RBF600 (2 liters) [Add $71.80]

Package Includes:
Rotor Weight Comparisons:
Size (mm) Wt (lbs) Size (mm) Wt (lbs)
OE Two Piece 380x32 32.1 350x19 15.9
RB Two Piece 380x32 22.4 350x23* 13.7
Weight saving
9.7 2.2

Total weight saving for 4 corners: 23.8 lbs

*Rear rotor is made 4mm thicker than OE for extra thermal capacity and confirmed can fit OE caliper and pad without any issue.

Replacement Components:
Front Rotor Ring: D501-01-381
Rear Rotor Ring: D401-05-381

RB Brake rotors and pads

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.

  4. Iron sleeve insert
RB aluminum rotors hats are constructed of aluminum with an iron sleeve insert. This allows for significant weight savings while still preserving the use of the stock emergency brake. This design is only available through RB.

Related Links:

Feature Comparison Two-piece Rotor
Two-piece Disc Surface Finish

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