Stock rotors on a work-use or tow-ready F-150 face heat, moisture, and debris cycles that accelerate wear and invite the pad ridging that kills consistent pedal feel. EBC's USR7603 rear slotted rotors intercept those problems at the source, keeping brake performance repeatable from the first stop to the last throughout the life of the pad and rotor.
Precision slot geometry, not just any slot pattern. The Ultimax USR uses a narrower multi-slot design machined at a progressive angle across the rotor face. That geometry continuously sweeps gas, water, dirt, and debris from the pad contact surface while promoting flat, parallel pad wear. Parallel pad wear is the primary advantage EBC highlights for slotted rotors: by eliminating the ridges that form on drilled-only designs, the contact patch stays consistent and braking force stays predictable throughout the full service life.
R90-approved G3000 grey iron construction. Every USR rotor blank meets R90 approval standards and is cast from G3000 grey iron, a specification that sets minimum requirements for thermal stability, hardness, and dimensional consistency. EBC precision-machines these blanks in its own facilities in the United Kingdom or the United States, where each rotor undergoes metallurgical testing, X-ray inspection, balance verification, and dimensional checks before leaving the plant.
Quiet street manners with sport rotor benefits. The USR range targets fast street use rather than track-day abuse, so the slot design is tuned for silent running. Pair these rotors with a matched high-friction EBC pad set to get the full benefit of the slot geometry and extend both pad and rotor service intervals.
Product Benefits
- Direct Rear Fitment: Engineered specifically for the 2015-2020 F-150 2.7L EcoBoost 2WD rear axle.
- Progressive Multi-Slot Design: Removes gas, water, dirt, and debris from the contact surface continuously during braking.
- Parallel Pad Wear: Slot geometry prevents ridge formation, keeping brake response consistent across full pad and rotor life.
- R90-Approved G3000 Grey Iron: Premium rotor blanks meet strict thermal, hardness, and dimensional standards.
- UK or USA Manufactured: EBC produces 92% of what it sells in its own plants and machines all rotors in-house.
- Rigorous Quality Control: Every rotor undergoes metallurgical analysis, X-ray inspection, balance testing, and dimensional verification.
- Silent Street Operation: Slot geometry tuned to eliminate noise during normal street driving conditions.
- ISO and BS5750 Accredited Manufacturing: EBC's quality systems cover both in-house production and all sourced components.
About EBC Brakes: EBC Brakes manufactures 92% of everything it sells in its own plants in the United Kingdom and the United States, making it one of the largest dedicated brake brands in the world. The company holds BS5750 and ISO accreditations across its facilities, and every outsourced component supplier receives regular factory visits along with batch-level metallurgical, dimensional, and X-ray checks before any parts enter the production line.
WARNING: California Residents: Cancer and Reproductive Harm;
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Product Specifications & Vehicle Fitment
Review the product details and confirm compatibility with your vehicle before ordering.
| Specification | Details |
|---|---|
| Vehicle Trim | FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Platinum, STX, Limited |
| Vehicle Fitment | 2012, 2013, 2014 |
| FMSI Pad No. | D1602 |
