Wilwood Dynapro 4R rear drag-race brake kit for the 2015-2017 Ford Mustang. Lightweight dynamic-mount 12.90in drilled steel rotors (5.7 lb each) on forged aluminum hats with a T-nut mounting system, clamped by radial-mount DynaPro 4R four-piston aluminum calipers (4.1 lb each) with stainless pistons. BP-20 SmartPads give strong cold bite and fade resistance. Full bolt-on to the OE upright/hub; parking brake eliminated. Configured for drag racing only — not for street use. Requires 17in minimum wheels and a braided flexline kit (sold separately).
Specifications
| Type | Dynapro 4R rear drag brake kit |
| Rotors | 12.90in drilled, dynamic-mount steel |
| Calipers | DynaPro 4R, 4-piston radial mount |
| Pads | BP-20 SmartPads |
| Use | Drag racing only (not street) |
| Requires | 17in min wheels; braided flexline kit (separate) |
| Part Number | 140-14106-D |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2017 | Ford | Mustang | EcoBoost |
| 2016-2017 | Ford | Mustang | EcoBoost Premium |
| 2015-2017 | Ford | Mustang | GT |
| 2016-2017 | Ford | Mustang | GT Premium |
| 2016-2017 | Ford | Mustang | Shelby GT350 |
| 2016-2017 | Ford | Mustang | Shelby GT350R |
| 2016-2017 | Ford | Mustang | V6 |
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
