The EBC S9 kit pairs high friction Yellowstuff street and track pads with fine slotted USR sport rotors and includes caliper lube for the rear axle. It is a direct fit upgrade over the OE brakes with no modification required, combining stronger stopping power with a cleaner rotor face.
| Type | Stage 9 brake pad and rotor kit |
| Position | Rear |
| Pad Compound | EBC Yellowstuff |
| Rotor | EBC USR Slotted rotor |
| Kit Contents | Brake pads, rotors, caliper lube |
| Part Number | S9KR1663 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020 | Audi | A4 | Premium |
| 2020 | Audi | A4 | Premium Plus |
| 2020 | Audi | A4 | Prestige |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
