The TEIN Flex Z kit VSB14-CUAA1-C is engineered specifically for the 2006-2011 Honda Civic / Civic Si (FA/FG chassis). Designed to bridge the gap between sporty performance and street comfort, it features ride-height adjustability and damping tuning to let you tailor the driving feel without compromising daily usability.

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Features & Benefits

• Full-Length Ride Height Adjustability
  Adjust the vehicle’s stance without dramatically altering spring preload, helping maintain ride quality even when lowered.

• 16-Level Damping Force Adjustment
  Offers a wide range of tuning from soft, compliant settings to more aggressive, performance-oriented damping.

• Twin-Tube Damper Construction
  Delivers a smoother, more controlled response across varying road conditions, ideal for street and spirited use.

• Camber-Adjustable Pillow Ball Upper Mounts
  Included in the front for alignment tuning (rear may retain OEM mounts depending on model).

• Durable Finish & Rust Protection
  All components are treated to resist corrosion and wear over time, ensuring longevity even in harsh environments.

• EDFC-Compatible
  The kit allows integration with TEIN’s electronic damping force controller (EDFC) system for in-cabin damping control.

• Complete Suspension Kit
  Comes with four shock absorbers and springs, ready to install with minimal additional parts (for many models, upper mounts are included).

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Technical Highlights & Application Notes

• Front Spring Rate: 9 kgf/mm

• Rear Spring Rate: 10 kgf/mm

• Designed for street use with an emphasis on comfort, yet capable of handling spirited driving

• Uses OE-style mounting locations—no major modifications required in most cases

• Compatible with many FA/FG Civic variants (2-door / 4-door) not including some Si-specific restrictions