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Cusco BCS USDM GDA-B-C WRX-STI Cusco CUS666 561 ALHD
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Cusco BCS USDM GDA-B-C WRX-STI

Cusco
CUS666 561 ALHD
Brake Cylinder Stops
3 Units In Stock - Ships Next Business Day
$ 140.00 $ 115.77
$ 115.77

This Cusco brake cylinder stops, part number 666 561 ALHD, is designed for the verified vehicle applications listed below. Confirm trim, drivetrain, mounting location, factory equipment, and every application note before ordering.

Key Features

  • Exact Cusco manufacturer part number 666 561 ALHD
  • Purpose-built brake cylinder stops configuration
  • Listed position or application: Application specific
  • Selection depends on exact fitment, dimensions, mounting, and product notes

Fitment

Years Make Model Application
2006-2007 Subaru Impreza
2002-2004 Subaru Impreza Outback
2005-2007 Subaru Impreza Outback Sport
2002-2005 Subaru Impreza RS
2002-2004 Subaru Impreza TS
2002-2007 Subaru Impreza WRX
2006-2007 Subaru Impreza WRX Limited
2004-2007 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2006-2007 Subaru Impreza WRX TR

Specifications

Manufacturer Cusco
Manufacturer Part Number 666 561 ALHD
Product Type Brake Cylinder Stops
Fitment Type Vehicle specific
Position Application specific

What's Included

  • One new Cusco brake cylinder stops in the exact configuration identified by part number 666 561 ALHD
  • Additional hardware, brackets, bushings, fittings, tools, or accessories only when expressly listed for this exact part number

About Cusco

Cusco develops suspension, chassis, drivetrain, safety, and performance components for street and motorsport applications. Correct selection depends on the exact vehicle or mechanical interface, mounting position, dimensions, configuration, and manufacturer part number.

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Frequently Asked Questions

How do I confirm this is the correct Cusco part?
Match the exact manufacturer part number, product type, dimensions, interface, mounting location, vehicle application when listed, and every product note.

Are similar-looking Cusco parts interchangeable?
No. Dimensions, threads, mounting points, position, material, and application can differ even when products look similar.

What should be checked before installation?
Compare the new component with the intended location, confirm all interfaces and included pieces, review the exact instructions, and inspect nearby factory parts before installation.

Installation Instructions

Professional installation is recommended. Review the exact Cusco instructions, compare all mounting points and interfaces before disassembly, support the vehicle safely, use the specified hardware and torque values, verify clearance through full suspension or steering travel where applicable, and complete an alignment when geometry or ride height changes.

Request For Information

Have questions about Cusco BCS USDM GDA-B-C WRX-STI? Fill out the form below and we'll get back to you by the next business day.
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Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

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