EBC Brakes MD4157C Contour Rotor Ultra lightweight profiled contour C series OE replacement rotors made with tough and durable heat treated stainless steel These 100% British made units are produced by EBC Brakes in the new Northampton plant using premium quality German mill rolled steel Heat treated to perfection and then diamond ground to micron accurate surface finish and parallelism Delivers great brakes that will perform and last at less than Manufacturer prices Any brake compound can be used