SKU: D2-007
Girodisc 2020-2021 Subaru WRX (w/Brembo Calipers Performance Pkg) Slotted Rear Rings
Girodisc D2-007 slotted rear rings replace the friction surface on rear rotors for 2020-2021 Subaru WRX equipped with Brembo calipers performance package. These high-carbon rings measure 320mm diameter by 18mm thick providing direct OEM bolt-on fitment. They channel heat away faster while cutting unsprung weight for sharper handling and consistent stops under hard driving.
Key Features
- Slotted Surface: Narrow slots clear gases water and debris for immediate pad bite and reduced fade during track or spirited road use
- High-Carbon 72 Series Alloy: Stress-relieved and cryogenic treated for dimensional stability resists warping at high temperatures
- Lightweight Design: Each ring weighs 6.8 lbs versus OEM 9.5 lbs per side shedding 5.4 lbs total unsprung mass per axle
- Precision Machined: Balanced to 0.5g tolerances ensure vibration-free operation with stock or aftermarket pads
- Replaceable Friction Ring: Modular design allows ring swaps without new hats extending rotor life cost-effectively
Product Notes
- Requires matching Girodisc rear hats (D2-006R sold separately) for complete assembly
- Bed-in pads per Girodisc instructions for peak performance and noise reduction
- Ships fully wrapped to prevent corrosion arrives ready to install
Installation Notes
- Professional installation recommended.
- Torque hat-to-ring hardware to 25 ft-lbs and caliper bolts to OEM specs
- Compatible with OEM Brembo calipers and hardware no modifications needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020-2021 | Subaru | WRX | Base (w/ Brembo Performance Brakes) |
Why Choose Girodisc?
- Proven in SCCA NASA and rally racing with multiple championships
- CNC machined in USA from aerospace-grade materials
- Engineered for daily drivers and track days with repeatable performance
Frequently Asked Questions
- Q: Will D2-007 fit 2022+ Subaru WRX?
A: No this fits only 2020-2021 WRX with factory Brembo performance package 2022 models use different 330mm rear rotors - Q: What material are the rings made from?
A: 72 high-carbon steel alloy fully heat-treated cryogenic processed and double-disc ground for flatness - Q: What is the warranty on these rings?
A: 12-month warranty against cracking or delamination when used with Girodisc hats and proper bedding
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure foam-lined box 14 x 14 x 4 inches
- Weight: 15 lbs
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