TEIN Street Advance Z coilovers are a well-balanced suspension upgrade for drivers who want improved handling and ride height adjustability, with the added benefit of adjustable damping for fine-tuning street performance. They are ideal for daily-driven Miatas that see spirited road use and occasional track days, without stepping into a full motorsport setup.
The Street Advance Z features a sealed twin-tube damper design, allowing TEIN to maintain high ride quality while keeping the kit affordable. The twin-tube construction offers a longer stroke, helping absorb road imperfections and maintain stability at speed. Compared to monotube designs, twin-tube dampers are also more resistant to minor external damage, as small dents to the outer casing do not interfere with piston movement.
Ride height is adjusted via a thread-type system, making it easy to dial in anything from a mild street drop to a more aggressive stance. 16-step damping force adjustment allows you to fine-tune comfort and handling to match your driving style and road conditions. Rubber top mounts are used to preserve ride comfort and reduce noise, making this kit especially suitable for street use.
Each kit is equipped with TEIN No-Sag linear springs made from cold-formed SAE9254 steel, ensuring consistent ride height over time. High-performance damper oil with anti-foaming properties delivers stable damping across a wide temperature range. Corrosion-resistant coating and TEIN’s ZT-coated adjustment threads ensure smooth adjustment and long-term durability.
Street Advance Z coilovers are best suited for street-driven cars that benefit from damping adjustability, while still prioritizing comfort, reliability, and everyday usability.
Key Features:
- Height adjustable coilover kit
- 16-step damping force adjustment (compression/rebound together)
- Twin-tube damper for comfort and durability
- Thread-type ride height adjustment
- Rubber top mounts for reduced NVH
- No-Sag linear springs for stable ride height
- Corrosion-resistant coating with ZT-coated threads
- Compatible with TEIN EDFC
- TÜV certification
| Specification | MX-5 NA / NB | MX-5 NC | MX-5 ND |
|---|---|---|---|
| Spring rate (kg/mm) | 7 / 6 | 5.5 / 3.5 | 6 / 3.5 |
| Ride height drop front (mm) | -12 to -77 | -11 to -85 | -12 to -89 |
| Ride height drop rear (mm) | +60 to -70 | -15 to -55 | -17 to -80 |
| Dampening design | Linear | Linear | Linear |
| Top mount design | Rubber (OEM-style)* | Rubber (OEM-style)* | Rubber (OEM-style)* |
* Top mounts not included, please use OE
Fits all Mazda MX-5 models.
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