This R1 Concepts rear rotor is a direct replacement drilled and slotted disc for the right side of the rear axle. The drilled holes and curved slots vent heat and brake gases away from the pad face for more consistent stopping power and cooler running temperatures, while the silver zinc coating helps resist corrosion. It is a bolt-on upgrade over a plain factory rotor.
Specifications
| Type | Drilled & Slotted Brake Rotor |
| Position | Rear, Right |
| Material | Cast Iron |
| Finish | Silver Zinc Coated |
| Quantity | 1 |
| Part Number | 631-54003R |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997 | Ford | Escort | Base |
| 1991-1996 | Ford | Escort | GT |
| 1997-2000 | Ford | Escort | LX |
| 1992-1993 | Ford | Escort | LX-E |
| 1998-1999,2001-2002 | Ford | Escort | SE |
| 1997 | Ford | Escort | Sport |
| 2000-2003 | Ford | Escort | ZX2 |
| 1998-1999 | Ford | Escort | ZX2 Cool Coupe |
| 1998-1999 | Ford | Escort | ZX2 Hot Coupe |
| 1999-2000 | Ford | Escort | ZX2 S/R |
| 1999 | Mazda | Miata | 10th Anniversary |
| 1994-1997,1999-2002 | Mazda | Miata | Base |
| 2000-2002 | Mazda | Miata | LS |
| 1994-1997 | Mazda | Miata | M Edition |
| 2000-2002 | Mazda | Miata | SE |
| 1997 | Mazda | Miata | STO |
| 1994-1995 | Mazda | MX-3 | Base |
| 1992-1994 | Mazda | MX-3 | GS |
| 1993 | Mazda | MX-3 | SE |
| 1990-1991 | Mazda | Protege | 4WD |
| 1995-1996 | Mazda | Protege | DX |
| 1995-1998 | Mazda | Protege | ES |
| 1990-1996 | Mazda | Protege | LX |
| 1997-1999 | Mercury | Tracer | GS |
| 1997-1999 | Mercury | Tracer | LS |
| 1991-1996 | Mercury | Tracer | LTS |
| 1997-1999 | Mercury | Tracer | Trio |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
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