The EBC S1 brake pad and rotor kit pairs S1 pads with rear Ultimax/RK rotors to form a complete replacement kit that saves versus separate parts. EBC emphasizes patented Brake‑in coating on pads and Geomet thermic anti‑rust coating on balanced rotors. The product notes simply list the S1 kit combination for rear applications without adding unverified material claims.
EBC S1 Brake Pad and Rotor Kit