Rotors Material: Steel. Brake Rotor. Position: Front. Hub Holes Centering Dia: 2.83 in. Bolt Circle Dia: 4.99 in. Installed on a vehicle for which it was not designed to;. Warranty policy does Not apply to any part that has been: Altered, misused, or improperly-installed; Installed on a vehicle for which it was not designed to; Installed on a racing or high-performance vehicle, or vehicle with modified suspension/rims/tires.