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Wilwood FNSL4R Black Caliper Drilled/Slotted Rear Big Brake Kit - Subaru WRX / Impreza 1999-2008

Wilwood SKU: WIL140-12878-D
Price
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This Wilwood rear big brake kit pairs forged Narrow Superlite 4R four-piston calipers with 12.88 inch rotors and BP-10 compound pads to add rear stopping power on Subaru and Saab 9-2X platforms. It retains full use of the OE parking brake, master cylinder output and ABS, and is engineered to complement 13 inch and larger front upgrades. This configuration ships with drilled and slotted rotors and black calipers.

Specifications

Type Forged Narrow Superlite 4R (FNSL4R) rear big brake kit
Position Rear
Caliper 4-piston forged FNSL4R, radial mount, black finish
Rotor 12.88 in, drilled and slotted, GT48 curved-vane iron
Pads BP-10 compound
Parking Brake Retains OE parking brake, master cylinder output and ABS
Minimum Wheel 17 in
Included Calipers, rotors and hats, mounting brackets, pads, hardware
Part Number 140-12878-D

Documents: Installation Instructions (PDF)

This part fits:

Year Make Model Submodel
2006 Saab 9-2X 2.5i
2005-2006 Saab 9-2X Aero
2005 Saab 9-2X Linear
2001-2002 Subaru Forester L
2001-2002 Subaru Forester S
2008 Subaru Forester Sports 2.5 XT
2006-2008 Subaru Forester X
2006-2008 Subaru Forester X L.L. Bean Edition
2003-2005 Subaru Forester XS
2005 Subaru Forester XS L.L. Bean Edition
2004-2005 Subaru Forester XT
2006-2008 Subaru Forester XT Limited
2005 Subaru Forester XT Premium
2006-2007 Subaru Impreza 2.5i
2004 Subaru Impreza Outback
2005-2007 Subaru Impreza Outback Sport
1999-2003,2005 Subaru Impreza RS
2004 Subaru Impreza TS
2002-2005 Subaru Impreza WRX

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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