SKU: RK7777 | UPC: 889668141450
EBC 2015-2021 Subaru WRX Premium Rear Rotors RK7777 Ultimax OE Style Disc Kit
EBC Brakes RK7777 Ultimax OE Style Disc Kit delivers rear slotted rotors designed for 2015-2021 Subaru WRX models including Base Premium Limited and GT trims. These rotors provide effective slotted performance with reduced air noise for quiet operation during spirited driving. Angled slots draw in cool air to maintain brake temperatures while clearing dust and debris for consistent pad grip and longer life.
Key Features
- Progressively Angled Slots: Reduce typical slotted rotor noise while pulling in cool air for lower operating temperatures and better performance
- Dust and Debris Clearance: Slots wipe away brake dust to ensure maximum pad contact improve grip and extend pad wear life
- Precise Specifications: Vented design 285.5mm diameter 63.6mm height 10mm thickness 58mm center bore 5 bolt holes for direct fit
- OE Style Replacement: Matches factory dimensions for 2015-2021 Subaru WRX rear position compatible with FMSI D1114 pads
- Thermic Black Finish: Resists corrosion provides smooth initial bedding and maintains rotor integrity over time
Product Notes
- Kit includes pair of rear rotors left and right for complete replacement
- Pair with EBC Ultimax or Yellowstuff pads for optimal bedding and performance
- No core charge required ships ready to install
Installation Notes
- Professional installation recommended.
- Direct bolt-on replacement uses factory hardware and mounting points
- Torque lug nuts to Subaru specifications after install clean hub faces for flat contact
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2022 | Subaru | WRX | Base |
| 2022 | Subaru | WRX | GT |
| 2015-2022 | Subaru | WRX | Limited |
| 2015-2022 | Subaru | WRX | Premium |
Why Choose EBC Brakes?
- Operates 8 dynamometer systems across two factories with over 3 million dollars in research investment
- 60 year pedigree in brake material blending ensures pads and rotors deliver consistent results
- Manufactures full range of pads and rotors for vehicles worldwide focused on control and reliability
Frequently Asked Questions
- Q: Will RK7777 fit 2015-2021 Subaru WRX STI models?
A: Designed specifically for WRX models verify chassis VA compatibility STI uses different rear rotor specs - Q: What material and coating do these rotors use?
A: High-strength cast iron rotors with Thermic black anti-corrosion coating and precision-machined slotted surfaces - Q: What is the warranty and bedding process?
A: Backed by EBC 12-month or 10,000 mile warranty bed-in with 10-15 moderate stops from 60mph allowing slots to clear and surfaces to mate
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure double-wall box 11.8 x 11.8 x 3.9 inches
- Weight: 20.8 lbs
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