The 1000HP Pro-Level kit for the 2012 Scion FR-S/Subaru BRZ/Toyota GT86 is a complete rear system including both axles and hubs. The axles feature our aerospace grade torsional 36 spline axle bars, a billet ball & cage inner cv, our high-grade inner differential spline, and a proprietary outer CV with a larger spline. The hubs are made to accommodate the larger spline and are also able to accept the factory ABS ring. Rated to 1000HP.