Wilwood AERO6 Front Big Brake Kit for Subaru WRX (2002–2021) & STI (2004–2021) – 14” Rotors – 6 Piston Calipers

Part Number
140-12876

Overview
The Wilwood AERO6 Front Big Brake Kit (140-12876) is engineered for Subaru WRX and STI platforms operating at the highest levels of performance. Designed to handle increased power, speed, and repeated braking loads, this system delivers maximum stopping force, superior heat management, and consistent pedal response under demanding conditions.

Featuring forged 6-piston calipers paired with 14-inch rotors, this front brake kit is built for applications where factory braking systems are no longer sufficient. Designed for street, track, and high-performance driving environments.

Performance Tier
This is our top-tier brake package, developed for high-performance builds and aggressive driving environments where braking precision and consistency are critical.

Features
AERO6 forged 6-piston calipers for increased clamping force and even pad distribution
14.00-inch vented rotors for maximum thermal capacity and braking leverage
Enhanced braking performance and modulation under load
Improved heat dissipation during repeated high-speed braking
Lightweight, performance-focused construction
Consistent pedal feel and response in demanding conditions

Configuration Options
Available in black or red caliper finishes to complement your build

Rotor configurations available in slotted or drilled and slotted designs, allowing you to tailor braking performance, cooling characteristics, and visual presentation

What’s Included
(2) Wilwood AERO6 front 6-piston calipers
(2) 14" vented front rotors
(2) Aluminum rotor hats
(2) Caliper mounting brackets
Wilwood performance street compound brake pads
Stainless steel braided brake lines
Rotor-to-hat mounting hardware
Caliper mounting hardware (bolts, washers, spacers)
Brake line fittings and adapters
Installation hardware kit

Front kit only. Rear components not included.

Fitment
Subaru WRX & STI
2002–2021 WRX
2004–2021 STI

GC8 Compatibility
May fit 1993–2001 Subaru Impreza (GC8) when equipped with WRX or STI knuckles (spindles).
Fitment will vary depending on setup and configuration.

Fitment Notes
Designed for WRX/STI spindle geometry
18" wheels or larger required. Some wheel designs may not clear—test fitment recommended
Wheel clearance must be verified prior to installation
Professional installation recommended
Confirm fitment before purchase

Shipping & Availability
Ships directly from manufacturer. Processing and delivery times may vary based on manufacturer availability and production schedule.