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Cusco Brake Cylinder Stopper for 2002-2007 Subaru WRX / STI

The Cusco Brake Cylinder Stopper (B.C.S.) is engineered to eliminate unwanted flex in the brake master cylinder and firewall during hard braking. This reinforcement enhances pedal feel and brake response by stabilizing the brake master cylinder assembly, resulting in improved braking performance for spirited driving and track use.

  • Constructed from high-strength steel
  • Durable blue powder-coated finish for corrosion resistance
  • Direct bolt-on installation using existing mounting points
  • Designed specifically for left-hand drive vehicles
  • Compatible with factory and upgraded brake systems
Make Model Year Type
Subaru Impreza 2002 Outback
Subaru Impreza 2002 RS
Subaru Impreza 2002 TS
Subaru Impreza 2002 WRX
Subaru Impreza 2003 Outback
Subaru Impreza 2003 RS
Subaru Impreza 2003 TS
Subaru Impreza 2003 WRX
Subaru Impreza 2004 Outback
Subaru Impreza 2004 RS
Subaru Impreza 2004 TS
Subaru Impreza 2004 WRX
Subaru Impreza 2004 WRX STI
Subaru Impreza 2005 Outback Sport
Subaru Impreza 2005 RS
Subaru Impreza 2005 WRX
Subaru Impreza 2005 WRX STI
Subaru Impreza 2006 2.5i
Subaru Impreza 2006 Outback Sport
Subaru Impreza 2006 WRX
Subaru Impreza 2006 WRX Limited
Subaru Impreza 2006 WRX STI
Subaru Impreza 2006 WRX TR
Subaru Impreza 2007 2.5i
Subaru Impreza 2007 Outback Sport
Subaru Impreza 2007 WRX
Subaru Impreza 2007 WRX Limited
Subaru Impreza 2007 WRX STI
Subaru Impreza 2007 WRX STI Limited
Subaru Impreza 2007 WRX TR
Cusco USA is a division of Carrosser Co. Ltd, which is based in Japan. Cusco USA is the headquarters for market research, product development, sales and distribution in the Americas. Our headquarters are located in Huntington Beach, California. Cusco's mission is to develop and deliver vehicle components that enhance the driver’s experience and ability to control a vehicle to the highest level. Consumers purchase their parts because our company was founded on this principle and still delivers it today. Cusco produces high-quality coil-overs, suspension parts, drive trains, strut tower bars, chassis bars and roll cages and different engine and body parts.
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