Kit includes everything needed to give your vehicle a big brake upgrade A must have when hauling heavy loads, towing or climbing mountains The perfect front brake upgrade for shorter stopping distances and more consistent stops Includes bigger calipers with more clamping force, bigger slotted rotors, severe-duty carbon pad for faster initial braking and improved resistance to fade. Fits inside stock wheel for easy bolt-on installation. No drilling or welding required. The kit also consists of (A) Upgraded heavy-duty spindles and (B) Heavy-duty 2" drop spindle to lower front end of vehicle.