Fits 2002-2007 Subaru Impreza WRX, STI, 2.5i, RS, TS, and Outback Sport (Turbo Models).

The Cusco Type II Lower Arm Bar is a multi-point chassis brace engineered to bridge the front lower suspension mounting points on the GDA/GDB chassis. By reinforcing this critical area, the bar prevents the chassis from twisting and flexing during high-load cornering. This helps maintain the vehicle's suspension geometry, ensuring your tires stay flat on the pavement for better grip and more predictable steering feedback. This brace is designed specifically for turbo-equipped models to clear the exhaust and subframe components.

• Prevents lower arm alignment shifts under heavy cornering and braking
• Multi-point design provides superior rigidity over Type I or single-tube bars
• Finished in signature Cusco Blue for long-lasting corrosion resistance
• Bolts directly to factory mounting points for a secure installation
• Manufacturer Part Number: 666 477 A

Fits 2002-2007 Subaru Impreza WRX and WRX STI turbo models.

The Cusco Type I Front Lower Arm Bar is designed to bridge the lower suspension arm mounting points, significantly reducing chassis flex under load. By reinforcing the structural integrity of the front end, this brace maintains precise suspension geometry and prevents alignment changes during aggressive cornering or heavy braking, resulting in sharper steering response.

Engineered for a direct bolt-on installation, this Type I bar utilizes high-strength tubular steel construction to provide a rigid connection without adding unnecessary weight. It is finished in Cusco's signature blue coating for long-lasting corrosion resistance and a professional look under the chassis.

• Position: Front
• Bar Style: Type I
• Material: High-tension tubular steel
• Installation: Direct bolt-on to factory mounting points
• Fitment: GDA/GDB Turbocharged models only
• Manufacturer Part Number: 666 475 A

Fits 1993-2007 Subaru Impreza models including WRX, STI, RS, and Outback.

Improve your vehicle's rear suspension geometry and stability with the Cusco Rear Trailing Arm (part number 666 474 T). These components are engineered to control fore-and-aft movement of the rear spindle, replacing the flexible factory arms to provide more consistent alignment settings. By reducing unwanted wheel hop and movement during hard acceleration and braking, these arms enhance traction and provide a more predictable feel through the corners on both GC and GD chassis platforms.

• Direct replacement for factory rear trailing arms
• Improves suspension rigidity and throttle response
• Maintains precise wheel alignment under load
• Manufacturer Part Number: 666 474 T

Fits 2002-2007 Subaru Impreza WRX and WRX STI (including Limited and TR models).

The Cusco Rear Front Side Lateral Link Kit is designed to improve suspension geometry and handling precision on the GD-chassis Subaru Impreza. By replacing the compliant factory rubber bushings with high-rigidity pillowball ends, these links eliminate unwanted toe and camber deflection during aggressive cornering. This kit specifically replaces the front-most lateral links in the rear suspension assembly.

These links feature full adjustability, allowing for precise wheel alignment corrections that are often necessary on lowered vehicles or dedicated track builds. Constructed with Cusco's signature blue finish, they provide the durability needed for high-stress performance driving.

• Position: Rear Front Side
• Bearing Type: High-precision pillowball joints
• Adjustment: Fully adjustable turnbuckle style
• Compatibility: Replaces factory lateral links for improved rigidity
• Manufacturer Part Number: 666 474 LA

Fits 2001-2007 Subaru Impreza (L, RS, TS, Outback Sport, WRX, and STI).

Cusco Pillowball Upper Mounts replace the factory rubber strut mounts with a rigid, high-strength bearing to eliminate suspension deflection. By securing the strut top against the chassis, these mounts provide a more precise steering response, increased driver feedback, and improved tire contact patches during aggressive cornering. These are an essential upgrade for track-oriented GD-chassis builds requiring maximum suspension stability.

• Eliminates compliance found in OE rubber mounts
• Constructed from high-strength aluminum and steel for long-term durability
• Optimizes suspension geometry and steering precision
• Compatibility Note: Designed for use with aftermarket coilover systems; will not fit OEM-style large diameter spring setups.
• Manufacturer Part Number: 666 410 A

Vehicle Fitment:

Fits 2004-2007 Subaru Impreza models, including WRX and STI (GDA Applied E chassis).

The Cusco Rear Sway Bar is engineered to reduce body roll during cornering by increasing the roll stiffness of your suspension. This 22mm solid bar replaces the factory unit to provide a flatter cornering attitude and more predictable handling without significantly affecting ride quality. With its three-step adjustability, you can fine-tune the rear bias to dial out understeer and optimize your Subaru's turn-in response for either street or track use.

• Diameter: 22mm OD
• Adjustment: 3-step adjustable for precise suspension tuning
• Construction: High-strength spring steel with Cusco Blue finish
• Installation: Bolt-on replacement for original equipment
• Manufacturer Part Number: 666 311 BJ22EXP

Fits 2002-2003 Subaru Impreza RS, TS, and WRX (GDA).

The Cusco rear sway bar is a vital suspension upgrade for the GDA chassis, engineered to reduce body roll and improve lateral stability during cornering. By increasing the roll stiffness of the rear suspension, this 22mm bar provides sharper turn-in and more predictable handling without sacrificing overall ride quality. It is an ideal solution for drivers looking to neutralize understeer and keep the tire contact patch flat against the road surface.

• Diameter: 22mm
• Position: Rear
• Construction: High-strength spring steel
• Finish: Signature Cusco Blue powder coat for long-lasting corrosion resistance
• Includes installation bushings
• Manufacturer Part Number: 666 311 BJ22

Fits 2022+ Subaru WRX and WRX STi.

The Cusco Transmission Mount Set (660 911 TM) is engineered to eliminate the excessive drivetrain movement common with factory rubber mounts. By utilizing high-durometer reinforced materials, this set stabilizes the transmission housing during high-torque events, such as aggressive launches, hard cornering, and rapid gear changes.

Installing this mount set results in a more direct connection between the engine and the wheels, providing noticeably crisper shifting and improved throttle response. It is a vital upgrade for drivers looking to maintain precise shift gate alignment and reduce the mechanical "shudder" caused by OE mount deflection under load.

• Manufacturer Part Number: 660 911 TM
• Reinforced construction for increased drivetrain rigidity
• Reduces transmission movement and deflection
• Improves shift precision and tactile engagement
• Direct bolt-on replacement for the factory transmission mounts
• Designed specifically for the 2022+ Subaru chassis

Fits 1993-2005 Subaru Impreza (Base, Brighton, L, LS, LX, Outback, RS, and WRX).

The Cusco Engine and Transmission Mount Set is engineered to significantly reduce powertrain movement under load. By replacing soft factory rubber with Cusco's high-durometer reinforced rubber, this kit minimizes engine pitch and transmission roll. This reduction in drivetrain oscillation leads to more precise gear engagement, improved throttle response, and more efficient power delivery to the wheels.

• Reinforced rubber construction for increased rigidity over OE mounts
• Improves shifting precision by stabilizing the transmission case
• Enhances throttle response by reducing engine movement
• Direct bolt-on installation into factory mounting locations
• Compatible with GC8, GDA, GH8, GRB, and GVB chassis codes
• Manufacturer Part Number: 660 911 SET

Fits 1993-2007 Subaru Impreza models, including RS, WRX, and STI (GC8, GDA, and GDB chassis).

The Cusco Type OS Rear Add-On V-Brace is designed to further stiffen the rear chassis of your Subaru Impreza by triangulating the rear strut towers to the trunk floor. This supplemental brace works in tandem with the rear strut tower bar to minimize body flex under heavy cornering loads, resulting in more predictable suspension geometry and sharper handling response.

• Manufacturer Part Number: 660 544 A
• Chassis Reinforcement: Triangulates the rear strut towers to the floor for maximum rigidity.
• Compatibility Note: This is an add-on component and cannot be used without Cusco Rear Strut Tower Bar part number 666 541 A.
• Fitment: Designed for Subaru Impreza models spanning 1993 to 2007.

Fits 1993-2000 Subaru Impreza (Base, Brighton, L, LS, LX, Outback, and RS).

The Cusco Type OS Rear Strut Tower Bar is designed to enhance chassis rigidity by bridging the gap between the rear suspension towers. On the GC8 chassis, rear-end flex during aggressive cornering can lead to unpredictable suspension geometry; this brace reinforces the rear structure, ensuring the suspension works as intended for improved stability and more precise handling.

Construction features a lightweight, high-strength aluminum shaft with an oval cross-section (Type OS) to maximize torsional stiffness while maintaining a low profile in the trunk area. The bar is anchored by Cusco's signature blue-coated steel brackets, which bolt directly to the factory mounting points for a secure, high-tolerance fit.

• Manufacturer Part Number: 660 541 A
• Position: Rear
• Bar Type: Type OS (Oval Section)
• Material: Aluminum shaft with steel end plates
• Installation: Direct bolt-on to factory strut towers

Fits Subaru Impreza GC8 models.

The Cusco Front Member Power Brace (660 492 FM) is engineered to enhance the structural integrity of your vehicle's chassis by reinforcing the front crossmember area. By connecting key structural points, this brace significantly reduces chassis flex under heavy cornering and high-load driving conditions. This increased rigidity helps maintain consistent suspension geometry, providing more precise steering response and improved front-end stability.

• Manufacturer Part Number: 660 492 FM
• Constructed from high-strength steel for maximum durability
• Signature Cusco Blue powder-coated finish for superior corrosion resistance
• Direct bolt-on design utilizes factory mounting points for straightforward installation
• Designed specifically to stiffen the front subframe on the GC8 platform

Fits 1993-2000 Subaru Impreza models, including Base, Brighton, L, LS, LX, Outback, and RS.

The Cusco Type I Rear Lower Arm Bar is engineered to enhance chassis rigidity by reinforcing the lower suspension arm mounting points. During aggressive cornering or heavy suspension loading, the chassis can flex, leading to unwanted changes in suspension geometry and alignment. By connecting these critical points, the Type I bar minimizes flex, ensuring your tires maintain a more consistent contact patch for improved handling and steering response.

• Increases chassis stiffness to prevent suspension geometry distortion
• Connects lower control arm mounting points for improved stability
• Direct bolt-on installation to factory mounting locations
• Constructed for high-strength reinforcement with minimal weight gain
• Manufacturer Part Number: 660 476 A

Fits select 2001-2007 Subaru Impreza, WRX, and STI models.

Cusco Pillowball Upper Mounts are designed to replace the compliant factory rubber mounts, providing a rigid connection between the suspension and the chassis. This upgrade improves steering response and provides more precise feedback by eliminating the deflection found in OEM bushings, ensuring that your dampers and springs function exactly as intended during high-performance driving.

Note: These rear mounts are specifically designed for use with aftermarket coilovers or small-diameter race springs. They are not compatible with the original equipment (OEM) large-diameter spring setup.

• Manufacturer Part Number: 658 420 A
• Position: Rear
• Bearing Type: High-precision pillowball
• Construction: Durable aluminum plate for weight savings and rigidity
• Fitment Note: Requires aftermarket coilover-style springs; will not fit OEM big spring setup

Fits 2008-2014 Mitsubishi Lancer Evolution GSR, MR, and MR Touring (CZ4A).

The Cusco Type OS Rear Strut Tower Bar is designed to significantly increase chassis rigidity and improve handling response in the Mitsubishi Lancer Evolution X. Unlike standard 2-point braces, this Type OS variant features a 4-point mounting system that bolts to the left and right strut mounts as well as two points on the vehicle body. This configuration minimizes rear chassis flex under heavy lateral loads, ensuring the rear suspension geometry remains consistent for more predictable cornering.

• Type OS (Oval Shaft) high-rigidity aluminum construction
• 4-point mounting design for maximum structural reinforcement
• Polished aluminum shaft with signature Cusco blue steel end plates
• Bolts directly to factory mounting points and body structure
• Replaces or augments factory bracing for superior torsional stiffness
• Manufacturer Part Number: 566 541 A

Fits 2008-2014 Mitsubishi Lancer Evolution GSR, MR, and MR Touring (CZ4A).

The Cusco Type OS Front Strut Tower Bar is engineered to eliminate chassis flex by connecting the vehicle's strut towers, ensuring the suspension geometry remains consistent under heavy cornering loads. This increased rigidity translates to sharper turn-in and more predictable steering feedback. Specifically designed for the CZ4A chassis, this bar serves as a direct, high-performance replacement for the factory-installed unit.

• Product Line: Type OS (Oval Shaft)
• Placement: Front
• Design: Features a high-rigidity aluminum oval shaft with a polished finish
• Installation: Bolts directly to factory mounting points; replaces OEM strut bar
• Compatibility: Designed specifically for the Evolution X platform
• Manufacturer Part Number: 566 540 A

Fits select 2008-2014 Mitsubishi Lancer Evolution GSR, MR, and MR Touring (CZ4A).

The Cusco Power Brace Rear Member Rear Side is engineered to stiffen the chassis of the Evolution X by reinforcing the rear subframe assembly. By minimizing floor and member flex during high-load cornering and aggressive acceleration, this brace helps maintain more consistent suspension geometry for improved handling precision and rear-end stability.

Constructed from high-strength steel and finished in Cusco's signature blue powder coating, this brace is designed for long-term durability and resistance to the elements. It is a direct bolt-on component that utilizes factory mounting points for a secure installation. Please note that this specific version is designed for JDM/International market vehicles and is not compatible with USDM (United States Domestic Market) models.

• Increases chassis rigidity and reduces rear subframe deflection
• Improves steering response and cornering stability
• High-strength steel construction with blue powder-coat finish
• Direct bolt-on installation using factory mounting points
• Manufacturer Part Number: 566 492 RS
• Note: Not for USDM vehicles

Fits select 2008-2014 Mitsubishi Lancer Evolution GSR, MR, and MR Touring (CZ4A).

The Cusco Power Brace Rear Member Rear is engineered to increase chassis rigidity by reinforcing the rear subframe of the Mitsubishi Evolution X. By tying together critical structural points, this brace reduces chassis flex during aggressive cornering and high-load maneuvers, ensuring that the suspension geometry remains consistent for improved handling and predictable feedback.

• Increases rear chassis stiffness for enhanced stability and cornering performance
• High-strength steel construction designed to withstand performance driving stresses
• Finished in Cusco's signature blue powder coating for superior corrosion resistance
• Direct-fit design engineered specifically for the CZ4A chassis
• Manufacturer Part Number: 566 492 RR
• Note: This installation requires modification of the factory heat shield for proper clearance.

Fits 2008-2014 Mitsubishi Lancer Evolution (CZ4A) including GSR, MR, and MR Touring submodels.

The Cusco Power Brace Rear Member is engineered to increase chassis rigidity by reinforcing the rear subframe connection points. Designed as a direct replacement for the factory OE bar, this brace reduces structural flex during high-load cornering. By stabilizing the rear suspension geometry, it helps maintain a consistent tire contact patch for improved handling response and more predictable vehicle feedback.

• Location: Rear Member (Replaces OEM Bar)
• Enhances structural integrity to minimize chassis distortion
• High-strength steel construction with signature Cusco blue finish
• Direct bolt-on installation to factory mounting points
• Manufacturer Part Number: 566 492 RM

Fits 2008-2014 Mitsubishi Lancer Evolution (GSR, MR, and MR Touring models).

The Cusco Power Brace Floor Rear Side (MPN 566 492 FR) is engineered to stiffen the chassis of the CZ4A platform by reinforcing the rear floor section. By minimizing chassis flex during aggressive cornering and high-load maneuvers, this brace helps maintain consistent suspension geometry, resulting in more predictable handling and improved steering response.

• Increases overall chassis rigidity to reduce unibody flex
• Manufactured from high-strength steel for maximum durability
• Finished in Cusco Signature Blue powder coat for corrosion resistance
• Designed for a direct bolt-on installation using existing factory mounting points
• Includes all necessary hardware for a complete install
• Manufacturer Part Number: 566 492 FR

Fits 2008-2014 Mitsubishi Lancer Evolution X (GSR, MR, and MR Touring).

The Cusco Power Brace Floor Front for the CZ4A Mitsubishi Lancer Evolution X is engineered to significantly increase chassis rigidity. By reinforcing the front floor section of the vehicle, this brace minimizes body flex during high-G cornering and aggressive maneuvers. This reinforcement ensures that the suspension geometry remains consistent, providing more precise steering feedback and improved handling stability.

• Location: Floor Front
• Manufacturer Part Number: 566 492 FF
• Vehicle Chassis: CZ4A
• Installation: Direct bolt-on to factory mounting points
• Material: High-strength steel construction with Cusco's signature blue finish
• Optimizes chassis stiffness for track and high-performance street use

Fits 2008-2014 Mitsubishi Lancer Evolution GSR, MR, and MR Touring (CZ4A).

The Cusco Power Brace Floor Center is engineered to enhance the structural integrity of the Evolution X chassis by reducing floor-pan flex. By connecting critical points of the vehicle's midsection, this brace minimizes chassis distortion during high-G cornering and aggressive maneuvers. This increased rigidity allows the suspension to maintain its designed geometry more effectively, resulting in more predictable handling and sharpened steering response.

• Location: Floor Center
• Construction: High-strength steel with signature Cusco Blue powder coat finish
• Installation: Direct bolt-on to factory mounting points; no welding required
• Improves chassis stiffness and suspension performance
• Manufacturer Part Number: 566 492 C

Fits 2008-2014 Mitsubishi Lancer Evolution (GSR, MR, and MR Touring).

The Cusco Type II Lower Arm Bar is a high-performance chassis reinforcement designed to significantly reduce body flex between the lower control arm mounting points on the Mitsubishi Evolution X. Unlike standard two-point braces, the Type II multi-point design connects multiple structural areas of the subframe, creating a rigid triangular reinforcement that maintains precise suspension geometry under heavy cornering loads.

By minimizing lateral movement, this bar ensures your alignment settings remain stable, resulting in sharper steering response and improved front-end traction. It is an essential upgrade for Evo X owners looking to maximize handling performance during spirited driving or track sessions.

• Increased Rigidity: Multi-point design prevents subframe distortion and chassis flex.
• Durable Construction: Fabricated from high-tension steel for maximum strength-to-weight ratio.
• Corrosion Resistance: Finished in the signature Cusco Blue powder coat.
• Precision Fit: Engineered to bolt directly to factory mounting points for a straightforward installation.
• MPN: 566 477 A

Fits the Mitsubishi Lancer Evolution X.

The Cusco Swivel Joint Tow Hook provides a reliable and compliant recovery point for track-day use and competition. This rear-mounted tow hook features a robust folding design that allows the ring to sit flush against the bumper or fold 90 degrees when not in use, reducing the profile of the vehicle and preventing accidental contact during transport or pit work.

Constructed from high-strength steel and finished in a signature high-visibility red powder coat, this component is designed for both durability and ease of identification by track marshals. It is a direct bolt-on solution that utilizes the factory mounting points for a secure installation without the need for permanent vehicle modification.

• Manufacturer Part Number: 566 017 R
• Position: Rear
• Design: 90-degree folding swivel joint
• Material: Heavy-duty steel
• Finish: Red powder coat for corrosion resistance
• Installation: Direct bolt-on to OE mounting locations

Protect your intake system and maintain engine efficiency with the Cusco Oil Catch Tank 0.6L, designed specifically for the Mitsubishi Evolution X. In high-performance turbocharged applications, blow-by gases containing oil vapor are often recirculated into the intake. Over time, this can cause carbon buildup on valves and coat the inside of your intercooler, reducing cooling performance and potentially causing detonation.

This Cusco catch tank intercepts these oil vapors, collecting them in a high-quality polished aluminum reservoir before they can enter the intake tract. The tank features an integrated clear level tube for quick visual inspections, allowing you to see when the 0.6L capacity has been reached and needs draining. It is a vital upgrade for any track-driven or modified Evo X looking to maintain long-term reliability and peak power.

• Manufacturer Part Number: 566 009 A
• Capacity: 0.6 Liters
• Material: Lightweight Polished Aluminum
• Includes: Reservoir tank, vehicle-specific mounting brackets, and installation hoses
• Fitment: Mitsubishi Evolution X (0.6L)

Fits 2003-2006 Mitsubishi Lancer Evolution VIII and IX (CT9A).

The Cusco Radiator Cooling Plate is an essential upgrade for maintaining optimal engine temperatures during high-performance driving. In a stock configuration, a significant amount of air can escape through the gap between the radiator and the upper core support. This plate effectively seals that gap, forcing incoming air directly through the radiator core to maximize heat exchange and cooling efficiency.

Crafted from lightweight aluminum and finished in Cusco's signature blue anodizing, this component provides a functional performance benefit while cleaning up the look of your CT9A engine bay. It is designed for a direct bolt-on fitment, utilizing factory mounting points for a secure and straightforward installation.

• Increases cooling efficiency by preventing air bypass
• Directs high-pressure air through the radiator core
• Lightweight and durable aluminum construction
• Signature Cusco blue anodized finish for corrosion resistance
• Bolts directly to factory mounting locations
• Manufacturer Part Number: 565 003 AL

Fits 2003-2005 Mitsubishi Lancer Evolution, MR, and RS (CT9A).

The Cusco Type OS Rear Strut Tower Bar is engineered to minimize chassis flex by reinforcing the connection between the rear strut towers. By reducing lateral movement of the towers under heavy cornering loads, this bar helps maintain consistent suspension geometry for more predictable handling and increased rear-end stability. The Type OS is the most popular series in the Cusco lineup, offering a lightweight yet rigid solution for street and track use.

• Shaft Design: Features a hollow, high-vacuum die-cast aluminum oval shaft for a high strength-to-weight ratio.
• Brackets: Constructed from steel and finished in Cusco's signature blue for durability and corrosion resistance.
• Installation: Direct bolt-on design to factory mounting points.
• Part Number: 564 541 A

Fits 2003-2006 Mitsubishi Lancer Evolution models (CT9A chassis).

The Cusco Power Brace Front Member is engineered to increase structural integrity by reinforcing the front subframe area. By minimizing chassis flex during aggressive cornering and high-load driving, this brace improves steering precision and front-end stability. Each brace is constructed from high-strength steel and finished in Cusco's signature blue powder coat for long-term corrosion resistance and durability.

Installation Note: This component is not compatible with the factory front bumper beam. Installation requires the removal of the OEM bumper support to provide the necessary clearance for the brace.

• Material: High-strength steel
• Finish: Signature Cusco Blue powder coat
• Primary Function: Reduces chassis distortion and improves steering response
• Chassis Fitment: CT9A (Evo VII, VIII, IX)
• Manufacturer Part Number: 564 492 FM

Fits 2003-2005 Mitsubishi Lancer Evolution, MR, and RS (CT9A).

The Cusco Front Lower Arm Bar Type I is a critical chassis reinforcement designed to improve handling precision on the Evolution VII, VIII, and IX platforms. By connecting the lower arm mounting points, this bar significantly reduces chassis flex at the suspension pivot points. This prevents geometry changes during high-load cornering, ensuring the front wheels maintain their alignment for better steering response and increased front-end grip.

Built from high-tension steel and finished in the signature Cusco Blue coating, this bar is designed for durability and corrosion resistance. It utilizes a direct bolt-on design that attaches to existing factory mounting points, making it an essential upgrade for both street and track-oriented CT9A builds.

• Manufacturer Part Number: 564 475 A
• Location: Front Lower
• Material: High-tension steel
• Installation: Direct bolt-on to factory points
• Chassis Compatibility: Mitsubishi CT9A (Evo 7/8/9)

Fits 2003-2005 Mitsubishi Lancer Evolution, including MR and RS trims (CT9A chassis).

Cusco Front Camber Adjustable Pillowball Upper Mounts are designed to replace the soft factory rubber bushings with a rigid, high-strength pillow ball joint. This conversion eliminates suspension deflection and unwanted strut movement under high cornering loads, resulting in sharper steering response and more communicative feedback through the wheel. The integrated sliding plate allows for precise camber adjustments, enabling you to optimize the tire contact patch for both street performance and track use.

• Replaces compliant OE rubber mounts with rigid pillow ball joints
• Provides precise camber adjustment for improved alignment geometry
• Reduces suspension deflection for more consistent handling
• Direct fit for the CT9A chassis using factory mounting points
• Manufacturer Part Number: 564 410 A