The EBC S1 kit pairs quiet OE replacement Ultimax2 pads with smooth premium OE replacement rotors and includes caliper lube for the front 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 1 brake pad and rotor kit |
| Position | Front |
| Pad Compound | EBC Ultimax2 |
| Rotor | EBC RK OE Replacement rotor |
| Kit Contents | Brake pads, rotors, caliper lube |
| Part Number | S1KR1004 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2005 | Subaru | Impreza | RS |
| 2003-2004 | Subaru | Impreza | TS |
| 2003-2007 | Subaru | Impreza | WRX |
| 2006-2007 | Subaru | Impreza | WRX Limited |
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2007 | Subaru | Impreza | WRX STI Limited |
| 2006-2007 | Subaru | Impreza | WRX TR |
| 2005 | Subaru | Forester | XS L.L. Bean Edition |
| 2004-2005 | Subaru | Forester | XT |
| 2006-2008 | Subaru | Forester | XT Limited |
| 2005 | Subaru | Forester | XT Premium |
| 2006-2007 | Subaru | Impreza | 2.5i |
| 2003-2004 | Subaru | Impreza | Outback |
| 2005-2007 | Subaru | Impreza | Outback Sport |
| 2006 | Saab | 9-2X | 2.5i |
| 2005-2006 | Saab | 9-2X | Aero |
| 2005 | Saab | 9-2X | Linear |
| 2008 | Subaru | Forester | Sports 2.5 X |
| 2008 | Subaru | Forester | Sports 2.5 XT |
| 2003-2008 | Subaru | Forester | X |
| 2006-2008 | Subaru | Forester | X L.L. Bean Edition |
| 2003-2005 | Subaru | Forester | XS |
