This Wilwood rear big brake kit pairs forged Narrow Superlite 4R four-piston calipers with 14.00 inch rotors and BP-20 compound pads to add rear stopping power on the Jeep Wrangler JK. It includes braided stainless brake lines, retains full use of the OE parking brake, master cylinder output and ABS, and complements 13 inch and larger front upgrades. This configuration ships with slotted rotors and red calipers.
| Type | Forged Narrow Superlite 4R (FNSL4R) rear big brake kit |
| Position | Rear |
| Caliper | 4-piston forged FNSL4R, radial mount, red finish |
| Rotor | 14.00 in, slotted, black electro-coat iron |
| Pads | BP-20 compound |
| Parking Brake | Retains OE parking brake, master cylinder output and ABS |
| Included | Calipers, rotors and hats, mounting brackets, pads, braided stainless brake lines, hardware |
| Part Number | 140-14066-R |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011 | Jeep | Wrangler | 70th Anniversary |
| 2007-2015 | Jeep | Wrangler | Rubicon |
| 2007-2015 | Jeep | Wrangler | Sahara |
| 2010-2015 | Jeep | Wrangler | Sport |
| 2011 | Jeep | Wrangler | Unlimited 70th Anniversary |
| 2007-2015 | Jeep | Wrangler | Unlimited Rubicon |
| 2007-2015 | Jeep | Wrangler | Unlimited Sahara |
| 2010-2015 | Jeep | Wrangler | Unlimited Sport |
| 2007-2010 | Jeep | Wrangler | Unlimited X |
| 2007-2010 | Jeep | Wrangler | X |
Shipping: In-stock orders placed before 4 PM EST ship the same day, with standard, expedited, and overnight options available at checkout. Backordered items ship as soon as our distributor restocks — contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
