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AST Suspension ACU-S6206S Coilover Kit - Front View
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AST 5100 Series Shock Absorbers Coil Over Subaru Impreza GG/GD

AST
ASTACU-S6206S
astACU-S6206S
Coilovers
1 Units In Stock - Ships Next Business Day
$ 4,420.00 $ 3,978.00
$ 3,978.00

AST 5100 Series Coilover Kit - ACU-S6206S

The AST 5100 Series Coilover Kit, part ACU-S6206S, is a 1-way rebound adjustable inverted monotube coilover system built for the 2002-2007 Subaru WRX, with ride height and 12-position damping adjustment.

Key Features

  • Inverted strut design with gas and oil divided by a floating piston for consistent damping
  • 1-way rebound adjustable across 12 positions
  • Ride height fully adjustable through the threaded body
  • Compatible with OEM top mounts for a straightforward install
  • Springs included with the ACU-S6206S kit
  • Kit ACU-S6206S is engineered specifically for the WRX chassis, not a generic Impreza fitment

Fitment

Year Make Model Submodel
2002-2007 Subaru WRX n/a

Specifications

Detail Value
AST Part Number ACU-S6206S
Series AST 5100 Series
Damping Adjustment 1-way, 12 positions
Design Inverted monotube, gas-pressurized
Ride Height Adjustable
Top Mounts OEM compatible

What's Included

  • One AST 5100 Series coilover kit, part ACU-S6206S
  • Springs

About AST Suspension

AST Suspension designs and cold-coils coilovers and lowering springs in the Netherlands, engineering each kit to work with OEM dampers or its own adjustable dampers for a controlled ride.

FAQ

Are springs included with this kit?

Yes, springs are included with the complete coilover kit.

Can I adjust ride height?

Yes, the threaded body allows full ride height adjustment.

How many damping settings does this have?

It offers 1-way rebound adjustment across 12 positions.

Will this work with my factory top mounts?

Yes, it is compatible with OEM top mounts.

Does this fit STI models?

Fitment was verified for the WRX. STI applicability is not confirmed by the manufacturer.

Is this a monotube or twin-tube design?

It uses an inverted monotube design with gas and oil divided by a floating piston.

Do I need an alignment after installing this?

Yes, a wheel alignment is recommended after any coilover installation.

What is included in the box?

One complete coilover kit with springs for all four corners.

Installation Instructions

  1. Support the vehicle and remove the wheels to access the factory struts
  2. Remove the factory strut assembly, disconnecting the sway bar end link and brake line bracket as needed
  3. Install the AST 5100 Series coilover in place of the factory strut using OEM top mounts
  4. Set the ride height using the threaded body to the desired position
  5. Adjust rebound damping to the preferred of the 12 available positions
  6. Torque all fasteners to factory specifications and perform a wheel alignment after installation

Request For Information

Have questions about AST 5100 Series Shock Absorbers Coil Over Subaru Impreza GG/GD? Fill out the form below and we'll get back to you by the next business day.
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