The Alcon Pro‑System replacement rotor assemblies specified for Chevrolet Camaro ZL1 list a 390 x 36mm dimension and are intended as replacement rotors suitable for that application. These assemblies are supplied to match rotor size and mounting for Camaro ZL1 braking systems where the 390x36mm specification is required, restoring correct rotor fit and axle alignment.
Alcon Pro-System Chevrolet Camaro ZL1 390 x 36mm Replacement Rotor Assemblies