Drastically improve braking performance as well upgrade the style of the factory front wheel. Each rotor is constructed from 420 high-carbon stainless steel then drilled for optimum performance and heat dispersion. Billet brake caliper adapters are included in each kit to properly relocate the factory caliper. Utilizes factory brake caliper, rotor hardware and brake hose. Easy bolt-on installation; no need to re-bleed the brake system. Each kit includes a 13" rotor, caliper adapter bracket and all necessary hardware. Must order right and left side separately.