FactionFab Pad / Rotor Combo Rear - 2018-2021 STI / 2022-2026 WRX w/Brembo

This FactionFab axle brake combo combines V2 pads with two slotted rotors for the application below.

Features — Brake Pads

• Semi-metallic Stage 1 V2 pads for daily driving, autocross and light track use.
• Average friction coefficient 0.39µ; cold coefficient 0.44µ.
• Strong low-temperature response and predictable thermal behaviour.
• Textured steel shims support heat dissipation and grease retention.
• OE-spec backing plates, gas slots and chamfers help reduce vibration; laser-cut backing plates provide precise fit.

Features — Brake Rotors

• G11H18 high-carbon iron alloy supports heat dissipation and braking consistency.
• Precision F-design slots evacuate brake dust and gases.
• Full Geomet zinc coating inside and out resists corrosion.
• Double-disc ground for accurate thickness and surface finish; mill balanced for smooth operation.
• Bi-directional design fits either side of the stated axle.
• Threaded M8 removal holes simplify servicing; part number and minimum thickness are stamped on the rotor edge.
• Dual-drilled 5x100 / 5x114 applications are available where specified for the individual rotor.

Specifications

• Manufacturer part number: FFA4.10118.1-KIT
• Position: Rear

What's Included

• 2 Rotors: FFA1.10297.1
• 1 Set of Pads: FFA1.10313.1

Vehicle Fitment

2018–2021 Subaru STI; 2022–2026 Subaru WRX equipped with the matching Brembo rear brake system. Not for standard WRX non-Brembo rear brakes.