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Suspension and Components› Sway Bars and Components

Cusco

Cusco BCS GDB WRX-STI **RIGHT HAND DRIVE ONLY**

$140.00 $126.00 Save $14.00

SKU: C00E 666 561 A

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Cusco Brake Master Cylinder Stopper Kit is a performance upgrade for Subaru Impreza WRX models (2002-2007) and STi models (2004-2007). It enhances brake system rigidity, providing a more precise pedal feel and improved braking response.

Constructed from high-strength steel with a durable coating, this kit reduces flex and increases stability during aggressive driving or track use. It offers a direct bolt-on installation with no cutting, drilling, or tuning required, making it a straightforward upgrade for enthusiasts seeking better control and confidence under demanding conditions.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCusco
Part NumberC00E 666 561 A

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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