Wilwood ULHD 16 curved-vane rotor, Spec-37 iron, 11.75-inch diameter — right-hand side — is a heavy-duty replacement rotor featuring a curved-vane center for improved cooling. Spec-37 iron material and the directional rotor design provide the specified rotor geometry and size for applications calling for an 11.75-inch right-side rotor.
Wilwood ULHD 16 Curved Vane Rotor - Spec-37 Iron 11.75in Rotor Diameter - Right Hand Side