GiroDisc A2-185 Slotted 2-Piece Rear Brake Rotors for 2018-2021 Subaru WRX STI

Vehicle Fitment

• 2018-2021 Subaru WRX STI (VA, AWD, 2.5L Turbo)

Features

• Direct bolt-on replacement for OEM rear rotors
• Maintains factory brake bias and ABS functionality
• Lightweight design reduces unsprung and rotational mass
• Constructed with U.S.-sourced 6061-T6 aluminum hats
• Proprietary cast iron rotor rings for enhanced durability
• Slotted design improves brake pad bite and heat dissipation
• Compatible with OEM calipers; no modifications required
• Corrosion-resistant hardware with cadmium-coated steel drive pins

Specifications

• Rotor Diameter: 310 mm
• Thickness: 22 mm
• Weight: Approximately 11 lbs per rotor
• Material: Proprietary cast iron rotor rings, 6061-T6 aluminum hats
• Design: Slotted pattern for improved performance
• Compatibility: OEM calipers, no modifications needed
• Drivetrain: AWD (All-Wheel Drive)

Included Components

• 1x Rear Left Slotted Rotor
• 1x Rear Right Slotted Rotor
• Hardware: High-strength steel drive pins and cap screws

Product Description

The GiroDisc A2-185 rear brake rotor set offers a performance-oriented upgrade for the 2018-2021 Subaru WRX STI. Designed as a direct replacement for the OEM rear rotors, this kit requires no modifications and maintains the vehicle's factory brake bias and ABS functionality.

Constructed with lightweight materials, including U.S.-sourced 6061-T6 aluminum hats and proprietary cast iron rotor rings, the A2-185 rotors reduce unsprung and rotational mass, leading to improved acceleration and suspension response. The slotted design enhances brake pad bite and heat dissipation, making it suitable for both daily driving and spirited driving conditions.

Installation is straightforward, with the rotors bolting directly to the OEM calipers. The kit includes all necessary hardware, such as high-strength steel drive pins and cap screws, ensuring a secure fitment. Please verify compatibility with your specific vehicle model and trim before purchase.