15in Big Brake rotor kits drastically improve braking performance. Upgrade the style of your factory or aftermarket front wheel. Floating 420 Stainless Steel Jagged Rotor is engineered for optimum performance and heat dispersion. CNC machined billet brake caliper adapters are included in each kit to relocate your factory caliper for use with the 15in oversized brake rotor. Easy bolt-on installation, each kit utilizes the factory brake caliper, rotor hardware and brake line.