The Wilwood Forged Narrow Superlite 4R front big brake kit upgrades the Jeep Wrangler JK with four-piston forged aluminum calipers finished in red and 14.00 inch vented rotors. The GT 72 curved-vane rotors are cross-drilled and slotted Spec-37 iron for cooling and clean pad bite. The kit mounts to the factory disc spindles, requires a minimum 18 inch wheel diameter, and is engineered for compatibility with the OE master cylinder output and ABS.
| Type | 4-Piston Forged Narrow Superlite 4R Front Big Brake Kit |
| Position | Front |
| Material | Forged aluminum calipers, Spec-37 iron rotors |
| Finish | Red calipers, drilled and slotted rotors |
| Size | 14.00 in rotor diameter |
| Fitment Note | Requires minimum 18 in wheel diameter |
| Quantity | Front axle kit (2 calipers, 2 rotors, pads, brackets, hardware) |
| Part Number | 140-12440-DR |
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 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. 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.
