Tein Flex Z coilovers are a 16-way adjustable, full-length coilover kit built for drivers who want fine control over ride height and damping without stepping up to track-focused pricing.

The Tein Flex Z coilover kit pairs a twin-tube damper with linear damping adjustment, delivering a supple ride at low speeds and stable, planted handling when the road opens up. That balance makes Flex Z one of the most versatile street coilovers in Tein's lineup.

Among Tein coilovers, Flex Z inherits the engineering standards of the Street Flex range at a more accessible price point. Browse the full range below or explore the wider Tein collection at Springrates.

Ultimate Stability with Tein Coilovers

Each Tein Flex Z coilover kit ships as a complete suspension package: four shock absorbers and four springs matched to your specific chassis. Front struts use pillow ball upper mounts with integrated camber plates; rear struts use rubber mounts on alloy bases. The combination improves stability and quietens road noise at highway speeds.

The twin-tube design prioritizes ride comfort and compliance on imperfect roads while maintaining stable handling, allowing smoother stroke movement across uneven surfaces. Broken pavement, expansion joints, and weekend canyon runs all stay composed under the same kit.

Adaptable Ride Height with Tein Coilovers

The Tein Flex Z coilover kit uses a full-length ride height adjustment system, meaning you set the height by adjusting the damper body itself rather than compressing the spring. This preserves shock stroke and spring preload at any drop, so ride quality holds up whether you run a mild lower or push toward the aggressive end of the range. Drivers who shift setups between street and show, or who deal with mixed road conditions, get usable suspension travel at every height.

Fine-Tuned Damping Force Adjustment

Tein Flex Z coilovers feature a 16-level linear damping adjustment, accessible via a single dial on each damper. Soften the setting for daily comfort or firm it up for spirited driving. For drivers who want cabin-side control, the Tein Flex Z coilover is also compatible with Tein's EDFC electronic damping controller, sold separately.

Tein Flex Z coilovers are available for popular platforms including the Subaru BRZ, Toyota GR86, Honda Civic, Nissan 350Z, Nissan 370Z, Mazda Miata, Subaru WRX, Mitsubishi Evo, Ford Mustang, and many more.

Springrates is an authorised Tein retailer and has specialised in performance suspension since 2005. We stock Flex Z fitments for a wide range of makes and models, alongside coilovers from 326POWER, BC Racing, KSport, Öhlins, Silvers, Stanceparts, and Swift Springs.

Free shipping on orders over $250, 0% financing available, and our best-price guarantee on every kit. Questions about fitment or pairing the Tein Flex Z coilover kit with other suspension upgrades? Reach our team at support@springrates.com.

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FAQs

Are Tein Flex Z coilovers suitable for daily driving?

Yes. Flex Z coilovers are one of Tein's most daily-friendly kits. Set the 16-level damping toward the softer end and you get a compliant ride that absorbs road imperfections; firm it up when you want sharper response. The twin-tube damper is tuned for street use rather than stripped-down track stiffness.

How much do Tein Flex Z coilovers lower a car?

Drop range varies by chassis, but most applications land between 0.4 and 2.8 inches front and rear. On an FR-S/BRZ, expect roughly 1.6 inches at the front and 1.4 at the rear; on an 8th-gen Civic Si, closer to 1.8 inches across both axles. Tein publishes exact specifications per vehicle, and we can confirm the range for your specific car before you order.

What's the difference between Tein Flex Z and Street Basis Z?

Adjustability is the main difference. Street Basis Z uses preset, non-adjustable damping; the Flex coilover kit adds 16-level damping adjustment and EDFC compatibility. Pick Flex Z if you plan to fine-tune ride feel or run different settings for daily and weekend driving. Pick Street Basis Z if you want a set-and-forget kit at a lower price.

Do Tein Flex Z coilovers come with camber plates?

Depending on the application, Tein Flex Z coilovers may include pillow ball upper mounts, camber-adjustable top mounts, or reuse factory upper mounts. Refer to the product specifications for your vehicle.

What is EDFC and do I need it?

EDFC is Tein's Electronic Damping Force Controller, sold separately. It lets you change damping settings from the cabin instead of adjusting the dials on each damper manually. The Tein coilover kit works fully without it, but it's a worthwhile add-on if you change damping settings often.

How long do Tein Flex Z coilovers last?

Most owners get 60,000 to 100,000 miles of street use before the dampers start to soften. 

Are Tein Flex Z coilovers worth it?

If your shortlist already includes Japanese-built adjustable coilovers, Flex Z is the value pick. You get 16-level damping, full-length height adjustment, and Tein's twin-tube design without paying premium track-kit pricing. The only real reason to skip Flex Z is if you genuinely don't need adjustability, in which case Street Basis Z saves you money.

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