• Rear rotor
• Evolution Drilled & Slotted design
• Drilled and slotted for improved gas and debris clearing during hard braking
• Direct bolt-on replacement

Evolution Drilled & Slotted: Built to Last

This rear rotor is drilled and slotted for improved gas and debris clearing during hard braking, giving it a real edge over a bargain-bin replacement rotor both in performance and how it holds up cosmetically over time. Rather than treating the rotor as an afterthought to the pad, PowerStop engineers each rotor's surface treatment and coating specifically around how that rotor will actually be used. That approach shows up most clearly a year or two down the road, when a properly finished rotor still looks presentable while an uncoated bargain rotor has already started showing surface rust at the hat and vanes. It's a difference that's easy to overlook when a rotor is brand new but impossible to miss once the two are sitting side by side after a winter or two.

Precision Cast for a Smooth Ride

Every PowerStop rotor is cast and mill-balanced for smooth, vibration-free braking, so it performs like a quality OE rotor right out of the box. That balancing process matters more than it sounds, since an out-of-round or poorly balanced rotor can introduce a pulsing sensation through the brake pedal that's easy to mistake for warped rotors down the line. Getting that foundation right from the factory means fewer comebacks and a smoother, more confident brake pedal from the first stop. It's one of those manufacturing details that's invisible when done right and immediately obvious when it isn't.

Straight From Subispeed

A solid rear rotor choice for your 2008-2021 STI / 2020 WRX.

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