This system showcases a robust 4-piston S4 caliper paired with an 11-inch, two-piece slotted and drilled zinc-plated rotor. The S4 caliper comes equipped with D.O.T compliant dust and weather seals, along with the widely used DR1-C pad type. The rotors are pre-assembled using high-grade NAS stainless hardware, ensuring durability and reliability. You’ll find all the necessary mounting brackets, stainless braided hoses, and hardware included in the package. The 11" SS4+ is designed to fit most wheels that are 15 inches or larger, making it a versatile choice for your vehicle. It’s compatible with rear ends featuring Dana 60 or Mopar 8-3/4" car housing ends.