Stock rotors on the 1994-2004 Mustang 4.6L Cobra were built to pass federal standards and the demands of daily driving, not to handle repeated hard stops from speed. EBC's USR Slotted Rotors bring precision-machined slots and premium iron metallurgy to the front axle, giving aggressive street drivers a rotor that stays consistent from the first stop to the last.
Premium iron blanks, precision-machined in the UK or USA. Every USR rotor starts as an R90-approved G3000 grey iron blank, the same grade used in high-demand OEM applications. EBC machines these blanks to tight dimensional tolerances and subjects them to metallurgy checks, X-ray inspection, balance verification, and batch-level quality control before they ship.
Slots that do real work. The narrower multi-slot pattern, machined at a progressive angle, channels gas, water, dirt, and debris away from the pad face without the noise penalty common to aggressively slotted designs. The result is a sport rotor that runs quietly on the street while still delivering the airflow and cleaning action that hard driving demands.
Flat, parallel pad wear over the full service life. EBC's position on slotted rotors is straightforward: the greatest benefit is enforced pad geometry. The slots prevent the ridges that develop on drilled-only rotors, keeping the pad face and rotor surface parallel throughout wear. Consistent contact means consistent braking feel, lap after lap or mile after mile.
Product Benefits
- Direct Front Fitment: Sized specifically for the 1994-2004 Mustang 4.6L Cobra front axle.
- R90-Approved G3000 Grey Iron: Premium rotor blanks meet or exceed European homologation standards for material quality.
- Progressive Multi-Slot Design: Evacuates gas, water, and debris while maintaining quiet street operation.
- Parallel Pad Wear: Slots prevent ridge formation, keeping braking performance consistent as pads and rotors wear together.
- UK or USA Manufactured: EBC produces 92% of what it sells in its own facilities, with rigorous batch inspection on all purchased components.
- ISO and BS5750 Accredited Production: Quality systems govern every stage of manufacturing and incoming component inspection.
- Pairs with EBC Pad Sets: Performance gains compound when matched with a compatible EBC high-friction brake pad.
About EBC Brakes: EBC Brakes manufactures 92% of its products in its own UK and USA facilities, making it one of the most vertically integrated brake brands in the world. Every rotor, pad, and component passes through a documented quality chain that includes metallurgy analysis, X-ray inspection, dimensional checks, and balance verification before reaching the customer.
WARNING: California Residents: Cancer and Reproductive Harm;
www.p65warnings.ca.gov
Product Specifications & Vehicle Fitment
Review the product details and confirm compatibility with your vehicle before ordering.
| Specification | Details |
|---|---|
| Vehicle Trim | SVT Cobra, GT Bullitt, Mach 1, SVT Cobra 10th Anniversary |
| Vehicle Fitment | 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2003, 2004 |
| FMSI Pad No. | D412 |
