This system features S4 4-piston calipers mounted to 12", 1 piece slotted, drilled, zinc plated rotor. The S4 caliper has D.O.T compliant dust and weather seals and uses the popular DR1 replacement pad type. Baer’s unique backing plate not only acts as a caliper mount, but also houses a modern 1-piece park brake shoe assembly. Stainless braided hoses and park brake assembly with cables are also included. Designed for stock C-Clips incorporating Baer's unique Verislide design allowing the calipers to float with the factory C-clip axles. The 12” SS4 fits most 16” or larger wheels. All of Baer’s products feature material sourced from the USA. Products are also machined in house and the fit and finish are completed all in Phoenix, AZ.