This kit replaces the factory drum brakes with a direct bolt-in disc brake package for improved stopping power. Kit includes dual drilled rotors to accept 5 on 4.5 inch and 5 on 5.5 inch bolt pattern, calipers, all necessary brackets to fit the Dana 35, Dana 44 & Chrysler 8.25 inch housings found in Jeep vehicles. It also includes an internal drum parking brake for better holding power. Emergency brake cables sold separately.