EBC Brakes S9KF1201 S9 Yellowstuff Brake Pad and USR Slotted Rotor Kit

The EBC S9KF1201 is a complete Stage 9 brake upgrade kit combining EBC's flagship Yellowstuff high-friction brake pads with USR sport slotted rotors and caliper lubricant — everything needed for a serious brake performance upgrade in a single package.

The S9 kit steps up from the S5 kit by pairing the Yellowstuff pads with fine-slotted USR series rotors, which are engineered to reduce wind noise while actively channeling away brake dust, heat, water, and friction gases for a cleaner, more consistent braking surface.

Yellowstuff Brake Pads:

• GG-rated high-friction compound engineered for maximum stopping power
• Fully shimmed, chamfered, and slotted for reduced noise and improved performance
• Coated with EBC's patented Brake-In™ coating for accelerated pad bed-in and fast seating right out of the box
• Delivers up to 30–40% improved braking power compared to factory pads
• Wide operating temperature range — ideal for performance street driving and heavy-duty use
• Medium dust output; gentler on rotors than OEM pads

USR Sport Slotted Rotors:

• Constructed from high-quality gray iron to EBC's exacting specifications
• Fine narrow slots wick away dust, dirt, and debris for consistent pad-to-rotor contact
• Slot design draws in cooler air, helping rotors run significantly cooler under hard use
• Protected with a thermic black GEOMET anti-corrosion coating — no removal required prior to installation; coating naturally wears away in the pad-swept area after the first 10–20 stops
• Fully balanced and run-out tested for a vibration-free experience

Kit Includes:

• EBC Yellowstuff brake pads (front set)
• EBC USR sport slotted rotors (front pair)
• Caliper lubricant

Installation Note: If upgrading the rear brakes with performance pads, always fit the same upgrade to the front axle as well. Do not use brake cleaner on the thermic black rotor coating prior to installation.