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EBC Brakes S9KR1489 S9 Yellowstuff Brake Pad & USR Slotted Rotor Kit

(Audi S4 2018-20, A4 Quattro 2017-20, A6 Quattro 2019-20, Q5 2018-20, A4 2017-20, A5 Quattro 2018-20, S5 2018-20, SQ5 2018-20 + 13 more models)

Manufacturer

Part Number

S9KR1489
Sale Price

$284.53

Estimated ship date Monday, November 23

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Product Details

The EBC Brakes S9KR1489 S9 Kit combines EBC's flagship Yellowstuff high-friction brake pads with sport-slotted USR rotors into one complete, cost-effective brake upgrade. This kit includes brake pads, rotors, and caliper lubricant — everything needed for a full brake service.

The S9 Kit steps up from the S5 Kit by pairing Yellowstuff pads with USR sport slotted rotors, whose fine slot pattern is engineered to reduce wind noise while efficiently channeling away brake dust, heat, water, and friction gases for consistent, fade-resistant stopping power.

Yellowstuff Brake Pads:

  • EBC's flagship GG-rated high-friction compound delivers maximum stopping power for spirited street driving, towing, and hauling
  • Engineered to provide up to 30–40% improved braking performance over factory pads
  • Fully shimmed, chamfered, and slotted for reduced noise and vibration
  • Coated with EBC's patented Brake-In™ coating for fast, efficient pad bed-in right out of the box
  • Performs across a wide temperature range without fading or fatigue

USR Sport Slotted Rotors:

  • Constructed from premium grey iron and machined to EBC's exacting specifications
  • Fine slot pattern reduces wind noise, wicks away dust and debris, and promotes cooler rotor temperatures
  • Thermic Black anti-corrosion coating provides long-lasting rust resistance — no removal required before installation
  • The coating naturally wears away in the pad contact area within the first 10–20 stops
  • Every rotor is fully balanced and run-out tested for a vibration-free braking experience

Installation Note: Do not fit upgraded pads to the rear axle unless the same upgrade has been installed on the front. Do not use brake cleaner or any other method to remove the Thermic Black coating, as this voids the EBC warranty.

Products specifications

Fits

Audi S4 2018-20, A4 Quattro 2017-20, A6 Quattro 2019-20, Q5 2018-20, A4 2017-20, A5 Quattro 2018-20, S5 2018-20, SQ5 2018-20, A4 allroad 2017-20, A5 Sportback 2018-20, S5 Sportback 2018-20, RS5 2018-19, 2021, RS5 Sportback 2019, 2021 + 8 more models

Position

Rear

Prop 65

No

PCD - MM

100

Number of Bolt Holes/Studs

5T

Kit Components

DP4680R, USR577

Center Hole Diameter - MM

57

Height - MM

72

solid or vented

S

Rotor Diameter - MM

226

New Thickness - MM

10

Minimum Thickness - MM

8

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Ordered some special Axles which required Factory shipping. Order was processed efficiently, and axles were shipped from factory in 2 work days. Excellent service, good followup on the order. Definitely a good source for parts.

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