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The EBC S4 slotted rotor and pad kit pairs Redstuff pads with USR rotors as a matched package for owners updating braking components. Presented as a coordinated pad-and-rotor set, the kit supports replacing worn hardware with parts chosen to work together, simplifying purchases for brake refreshes or upgrades while keeping component selection consistent with EBC’s S4 kit family.
S4 Kits Redstuff and USR Rotors
