TEIN GSTB0-9USA2 Street Advance Z Coilovers for Toyota Corolla

The TEIN Street Advance Z Coilover Kit is an affordable, performance-oriented suspension system designed to deliver a sporty ride feel with an aggressive stance. This kit represents the evolution of TEIN's popular Super Street coilover line, engineered specifically for the North American market to handle local road conditions while providing wide-range adjustability for both daily driving and spirited performance.

Key Features:

• 16-stage damping force adjustment using Advance Needle technology for noticeable changes in ride characteristics
• Twin-tube shock construction provides longer stroke and smoother ride quality compared to mono-tube designs
• Full-length ride height adjustment via ZT-coated threaded lower spring seat
• Shortened shell case design maintains optimal damper stroke at lowered ride heights
• SAE9254 cold-formed steel springs with minimum tensile strength of 200 kgf/mm² for superior sag resistance
• Compatible with TEIN's EDFC (Electronic Damping Force Control) system for in-cabin adjustability (sold separately)
• Durable powder coating in TEIN's signature green color for rust and corrosion protection
• Utilizes factory OEM top mounts (not included)

Manufactured and assembled in TEIN's Yokohama, Japan facility under strict quality control standards. Each application is test-fitted and road-tested by highly trained suspension engineers to ensure optimal balance between comfort and performance. The Street Advance Z features stable viscosity damper oil that maintains consistent performance across temperature ranges with excellent anti-foaming properties. This suspension system is ideal for enthusiasts who enjoy occasional track days, spirited driving, or simply want to achieve a more aggressive stance with aftermarket wheels.