This kit can be used with the OE calipers and includes the following:
Material: Racing Formula Alloyed Gray Iron & Heat treatedFinish: Open SlotSurface Treatment: High Heat Resistant Coating
These two-piece rear rotors are made with the latest technology that is exclusive to RB. The rotor hats are constructed of aluminum with an iron sleeve insert. This allows significant weight savings, while still preserving the use of the stock emergency brake. This design is only available through RB!
Two-Piece Feature Comparison Chart