Wilwood 140-14751 Wilwood AERO6 Front Hat Kit 14.00 Black 00-06 BMW M3 E46 w/ LinesWilwood 140 14751 Wilwood AERO6 Front Hat Kit 14. 00 Black 00 06 BMW M3 E46 w Lines AERO6 calipers are the newest design for the specific purpose of providing big capacity braking with large diameter rotors for heavy weight and extreme duty vehicles. For cars, its the biggest of the big providing big brake performance for show and dual purpose street and track vehicles. For trucks and SUVs, it provides big stopping power for towing, off road, and