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  • RB Ovrsz Stnd. 2pc Rotor Kit (390x32/390x30) R35
RB Ovrsz Stnd. 2pc Rotor Kit (390x32/390x30) R35 - Black Ops Auto Works
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RB Ovrsz Stnd. 2pc Rotor Kit (390x32/390x30) R35

Racing Brake
Brakes, Performance Parts, Racing Brake
GTR-IRK-12
1 Units In Stock - Ships Next Business Day
Brakes
$ 3,163.50
$ 3,163.50
Description
Package Includes:

 

Rotor Weight Comparisons:
FRONT REAR
Size (mm) Wt (lbs) Size (mm) Wt (lbs)
OE 2-PC 380x34 25.5 380x30 27
RB 2-PC 390x32 22.88 390x30 21.7

 

This special bundle kit is exclusively available from RB for those who don't use their brakes for heavy tracking, as it can provide you a better balance in rotor size (390x32/390x30mm) and weight which can shed un-necessary extra ~2 lbs per rotor vs. stock 380x34mm rotor.

We believe 32mm thickness is more than enough for street and spirited driving, as we have the same size (390x32) of rotor for Corvette ZR1 iron conversion which was heavily tracked with good result both in performance and durability.
The required caliper spacers (front and rear) are included in the kit for oversized 390mm (vs. OE's 380mm) installation.

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.

  1. 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.


























 

 

 

 

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