Overview

The TEIN Street Advance Z Coilover Kit (GSAA6-9UAA3) is a premium suspension upgrade engineered to offer a perfect balance of daily-driving comfort and spirited performance handling. This full coilover system allows adjustable ride height and damping force control, giving you the flexibility to dial in precise suspension behavior without sacrificing ride quality.

Built with TEIN’s advanced twin-tube damper design and durable construction, the Street Advance Z kit enhances road feedback, reduces body roll, and improves cornering response over stock suspension. It’s ideal for drivers seeking a refined, performance-oriented setup that remains comfortable on everyday roads.

Key Features

• Ride Height Adjustable
  The threaded body design lets you lower or raise your vehicle’s stance while preserving proper suspension travel and geometry.

• 16-Level Damping Adjustment
  Fine-tune the firmness of the suspension with a simple dial to suit different driving styles — from relaxed cruising to aggressive cornering.

• Twin-Tube Damper Structure
  Offers a smooth, compliant feel with enhanced control across varied road surfaces.

• Durable Coatings & Components
  Corrosion-resistant finishes and robust internal components help ensure long-term dependability.

• Direct-Fit Engineering
  Designed to use factory mounting points, this kit installs without major modifications for a clean upgrade.

• EDFC Compatible
  Ready for integration with TEIN’s electronic damping force controller for in-cab adjustment (controller sold separately).

Benefits

• Reduces body roll and enhances cornering stability

• Improves steering response and road feedback

• Customizable suspension behavior for daily driving and spirited use

• Enhances vehicle stance with ride height adjustment

• Maintains smooth ride comfort without sacrificing performance

Application

This coilover kit is engineered for the 2017-2021 Honda Civic 5-Door Hatchback model (Fk7).

The TEIN Street Advance Z (GSAA6-9UAA3) offers an excellent balance of comfort and performance for enthusiasts who want a tunable, high-quality suspension solution suited to both everyday driving and more dynamic handling demands.