



ST X Coilovers - Toyota GT86 / Subaru BRZ - 13258004
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ST X Coilover Suspension – Toyota GT86 / Subaru BRZ – 13258004
Upgrade the Toyota GT86 or Subaru BRZ with the ST X Coilover Suspension Kit, designed to combine adjustable ride height, improved body control and a sportier chassis feel with straightforward fixed damping.
Developed using KW Automotive suspension technology, the ST X is aimed at road and fast-road use, making it a strong choice for drivers who want a more responsive setup without the additional complexity of adjustable damping.
Part number: 13258004
Fixed Damping Setup
The ST X uses a factory pre-set damper configuration developed specifically for the vehicle platform.
This means there are no damping controls to adjust after installation, making the kit simple to set up while still delivering improved body control and reduced roll compared with standard suspension.
The fixed setup is focused on providing a balance of:
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Improved steering response
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Better body control
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Reduced body roll
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Sportier road handling
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Everyday usability
Adjustable Ride Height
For Toyota GT86 and Subaru BRZ applications, the commonly listed lowering range is:
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Front: 20–50mm
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Rear: 25–55mm
Ride height is adjustable using threaded spring platforms, allowing the stance to be tailored within the approved adjustment range.
Galvanized Steel Construction
ST X coilovers use galvanized steel damper housings with corrosion-resistant adjustment components.
The threaded spring perch allows straightforward ride-height adjustment, while ST's sealing and protection system helps protect the dampers from dirt and road contamination during regular use.
Key Features
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ST X coilover suspension
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Factory pre-set fixed damping
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Height adjustable front and rear
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20–50mm front lowering
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25–55mm rear lowering
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Galvanized steel damper housings
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Improved body control and handling
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Reduced body roll
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Sportier road-focused setup
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Developed using KW Automotive suspension technology
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Suitable for road and fast-road use
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Part number: 13258004
Developed for Road & Fast-Road Use
The GT86 and BRZ already offer a responsive rear-wheel-drive chassis, and the ST X builds on this with a lower centre of gravity and more controlled suspension behaviour.
The fixed damping keeps the setup straightforward while still providing a noticeable improvement in chassis response, making it well suited to daily-driven cars, OEM+ builds and fast-road setups.
Vehicle Fitment
Part number 13258004 is suitable for:
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Toyota GT86 ZN / ZN6 – from 2012
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Subaru BRZ ZC / ZC6 – from 2012
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Scion FR-S – from 2012
Maximum axle loads are approximately:
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Front: 876kg
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Rear: 943kg
Exact vehicle specification and axle weights should always be checked before ordering.
Product Image & Specification Note
Product images are for illustration purposes only and may not show the exact specification supplied.
ST Suspension kits can vary depending on vehicle specification and application. If you are unsure whether this kit is suitable for your GT86 or BRZ, please contact us before ordering so we can confirm compatibility.
Professional Installation Recommended
Professional installation is recommended.
A full four-wheel alignment should also be carried out after installation and once the final ride height has been selected to ensure correct geometry, tyre wear and handling characteristics.
Explore More
Toyota GT86 – Explore suspension, braking and performance upgrades for the GT86 platform.
Subaru BRZ – Explore suspension, braking and performance upgrades for the Subaru BRZ.
ST Suspension – Browse ST coilovers and suspension upgrades for road and fast-road use.
Suspension & Handling – Explore coilovers, alignment components, bushes and chassis upgrades.

