SKU: JBR1794EVC | UPC: 889906496762
Power Stop 2018-2021 Subaru WRX STI Rear Evolution Coated Rotor
Power Stop Evolution Coated rotors deliver a direct bolt-on replacement for rear brakes on 2018-2020 Subaru WRX STI and 2021 WRX models. These rotors feature a full GEOMET 360 coating that prevents rust and corrosion without changing braking response. Built to original equipment standards for perfect fitment, balance, and heat management.
Key Features
- Direct OE Replacement: Matches factory specifications for weight, vane count, and dimensions ensuring seamless installation on Subaru WRX STI and WRX rear axles.
- GEOMET 360 Coating: Genuine multi-layer rust preventative shields against salt, moisture, and road grime while maintaining full contact with brake pads.
- Cryo-Treated Construction: Cryogenic processing strengthens the high carbon cast iron rotor to resist cracking, warping, and fade under high-heat conditions.
- Corrosion Resistance: Thin protective layer covers all surfaces including vanes and hub to extend service life in harsh environments.
- Precision Engineering: Balanced and machined for quiet operation, reduced vibration, and consistent stopping power matching OE performance.
Product Notes
- Follow bedding-in procedure using compatible pads for optimal pad transfer and performance.
- Clean wheel hub and mounting surfaces prior to installation to avoid imbalance.
- Packaged as single rotor. order quantity two for complete rear axle replacement.
Installation Notes
- Professional installation recommended.
- Bolt-on design requires no modifications or machining.
- Uses existing factory caliper hardware and mounting bolts.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021 | Subaru | WRX | Base |
| 2021 | Subaru | WRX | Limited |
| 2021 | Subaru | WRX | Premium |
| 2018-2020 | Subaru | WRX STI | Base |
| 2018-2020 | Subaru | WRX STI | Limited |
| 2020 | Subaru | WRX STI | S209 |
| 2018 | Subaru | WRX STI | Type RA |
Why Choose Power Stop?
- Developed with input from track enthusiasts and daily drivers for real-world reliability.
- High carbon rotors paired with advanced coatings deliver consistent stopping power.
- Engineered and tested in the USA for Subaru applications.
Frequently Asked Questions
- Q: Does this rotor fit 2021 Subaru WRX models?
A: Yes, it provides direct fitment for 2021 Subaru WRX Base, Limited, and Premium rear brakes. - Q: What material and finish does it use?
A: High carbon cast iron with full GEOMET 360 coating for rust protection on all exposed surfaces. - Q: What warranty coverage applies?
A: Backed by Power Stop 3-year or 36,000-mile limited warranty against defects.
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Secure cardboard box 12.75 x 12.75 x 2.5 inches
- Weight: 10.85 lbs





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