This product is a set of premium front rotors designed for the 2010-2015 BMW X6 4.4L Twin Turbo Hybrid RK Series. These rotors feature a double disc design with an increased cooling capacity, and are made from the highest grade of G3000 cast iron for superior strength and durability. The rotors are precision-machined and balanced for optimal performance, and have a zinc plated finish for corrosion resistance. The rotors are also designed to provide superior stopping power, and are suitable for both street and track use.