The Wilwood Narrow Superlite 6R big brake kit is a bolt on front upgrade built around forged Narrow Superlite 6R calipers and 13.06in rotors. The GT vane rotors run a plain face for smooth, quiet street performance. Calipers are finished in Red. It ships as a complete kit with calipers, rotors, mounting brackets, brake pads and hardware.
Specifications
| Type | Big brake kit (hat kit) |
| Caliper | Wilwood Narrow Superlite 6R |
| Position | Front |
| Rotor Diameter | 13.06in |
| Rotor | GT vane (plain) |
| Caliper Finish | Red |
| Part Number | 140-9109-R |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2014 | Ford | Mustang | Base |
| 2012-2013 | Ford | Mustang | Boss 302 |
| 2008-2009 | Ford | Mustang | Bullitt |
| 2005-2014 | Ford | Mustang | GT |
| 2007-2008 | Ford | Mustang | Shelby GT |
| 2007-2014 | Ford | Mustang | Shelby GT500 |
| 2008-2009 | Ford | Mustang | Shelby GT500KR |
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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