Wilwood Narrow Superlite 4R Red Drilled & Slotted Rear Big Brake Kit - Jeep Wrangler JK 2007-2015

The Forged Narrow Superlite 4R rear big brake kit mounts four-piston FNSL4R calipers over 12.88 inch GT-48 curved vane iron rotors to upgrade rear braking on the Jeep Wrangler while retaining full use of the OE parking brake, master cylinder output, and ABS. BP-20 compound pads deliver strong, quiet street bite, and the kit ships complete with the bolt-on rear brake line kit (Wilwood 220-13968) and all mounting hardware.

Specifications

This part fits:

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