The TEIN Flex Z VSB48-C1SA3-C is a high-quality, fully adjustable coilover suspension kit designed for the 2009–2014 Acura TSX (CS/CP/CU/CW chassis). It’s engineered to improve handling and ride control without compromising daily comfort. With both height and damping adjustments, this kit gives you the ability to tailor your setup to your driving style and road conditions.

Key Features

• Ride Height Adjustability
  Threaded body design lets you lower or raise the car’s stance while preserving suspension travel and performance.

• 16-Level Damping Adjustment
  Enables you to fine-tune the firmness of your ride—from soft and compliant for daily driving to firm and responsive for spirited runs.

• Twin-Tube Damper Design
  Delivers consistent control over bumps and wavering road surfaces, improving stability and driver confidence.

• Vehicle-Matched Springs & Mounts
  Comes with springs and upper mounts tailored for the Forester chassis to ensure proper geometry and fitment.

• Durable Coatings & Finishes
  All parts are finished with corrosion-resistant treatment to maintain performance and appearance over time.

• EDFC Compatible
  Ready for optional installation of TEIN’s Electronic Damping Force Controller (EDFC) for in-cabin adjustment.

Benefits

• Reduces body roll and enhances cornering grip

• Improves steering response and road feedback

• Allows you to lower your vehicle for improved center of gravity and aesthetics

• Customizable settings let you adapt to city streets, highways, or twisty roads

*Photos for marketing purposes only. Actual product will vary in appearance and style.