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RB 2pc Rotors (380x34) OE Caliper BBK for Audi RS5 Front
RB 2pc Rotors (380x34) BBK for Audi RS5 Front
This product photo is for reference only.
MSRP (pair): $1,655.56
Sale Price (pair): $1,490.00
You save $165.56!
Size: 380x34mm (OE = 365x34mm)
Rotor Wt (lbs.): 24.1

Product Code: 2248

Features and benefits:
  • Retains the use of OE calipers
  • Direct bolt on installation, no modifications required
  • Instant oversize to 380x34mm big rotor (from OE 365x34mm): Adding extra thermal capacity for extended rotor life and increase of brake torque resulting in a more efficient braking performance.

This kit includes:
  • 2 ea. RB front two piece iron rotors
  • 2 ea. Aluminum caliper adaptors to space up calipers for larger rotors (from original 365 to 380mm)
  • 4 ea. M12 caliper mounting bolts
Replacement components
Rotor Ring (380x34mm) Standard size for Porsche 911, Nissan GTR, Mutang GT etc.: D501-04-381

Rotor Material: Racing Formula Alloyed Gray Iron & Heat treated
Surface: EDP Coating w/cross cut grinding on friction surface


  1. Alloyed iron formula adds strength and heat resistance. Heat treating further improves rotor performance for a more uniform and stabilized microstructure.


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

  2. 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. 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.

Related Links:
Two-Piece Feature Comparison Chart

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