High-performance StopTech AeroRotor replacement ring designed for Big Brake Kits (BBK). This is a right-hand side directional slotted rotor measuring 380x32mm, engineered to improve cooling and braking consistency under extreme conditions. The kit includes the following components: 1x StopTech AeroRotor Ring Slotted (Right) - PN: 31.836.1102, 1x Mounting Hardware Pack (AeroRotor replacement hardware) - PN: 89.000.0002. Features patented AeroVane internal fin design for superior airflow and heat dissipation. Ideal for track use and high-performance street applications.