Tein VSB48-C1SA3-C Flex Z Coilovers for 2004-2008 Acura TSX CL9 FWD

Vehicle Fitment

• 2004-2008 Acura TSX Base (CL9, FWD, 2.4L I4 K24A2)

Fitment Notes

• FWD models only - fits all CL9 TSX trim levels (Base)
• For vehicles equipped with auto-leveling headlights: reuse the anti-loose bracket from the OE shock absorber and adjust shock absorber length during installation
• EDFC compatible - motor and controller sold separately

Features

• Full-length ride height adjustment maintains shock travel and ride quality at all lowered positions
• 16-way damping force adjustment (compression and rebound together) via top-mounted click adjuster
• Front camber-adjustable pillowball upper mounts included for precise alignment correction at lowered heights
• Twin-tube damper construction delivers a compliant street ride on the CL9 platform
• EDFC compatible for optional in-cabin electronic damping adjustment
• ZT-coated threaded sleeve and TEIN-green powder-coated springs for long-term corrosion resistance
• Fully sealed damper structure - low-cost replacement damper assemblies available separately

Specifications

• Front Spring Rate: 672 lbs/in (12.0 kgf/mm)
• Rear Spring Rate: 392 lbs/in (7.0 kgf/mm)
• Recommended Front Drop: 1.6-2.4 in (40-60mm)
• Recommended Rear Drop: 1.2-2.0 in (30-50mm)
• Damping Adjustment: 16-Way (Compression and Rebound Together)
• Front Upper Mount: Camber-Adjustable Pillowball (included)
• Rear Upper Mount: Included
• EDFC Compatible: Yes (sold separately)
• Chassis Code: CL9
• Drivetrain: FWD
• Engine: 2.4L I4 K24A2

Included Components

• 4x Coilover Damper Assemblies (2x Front, 2x Rear)
• 4x Main Springs
• 4x Bump Rubbers
• 4x Spring Seats
• 4x Seat Locks
• 2x Front Camber-Adjustable Pillowball Upper Mounts
• 2x Rear Upper Mounts
• 2x Hook Spanners
• 1x Instruction Manual

Product Description

The Tein VSB48-C1SA3-C Flex Z is a complete coilover kit built for the 2004-2008 Acura TSX (CL9) FWD platform. With a stiff 672 lbs/in front spring rate matched to a 392 lbs/in rear, the kit delivers the responsive, controlled feel that the K24-powered TSX chassis rewards. Full-length ride height adjustment, 16-way damping, and front camber-adjustable pillowball upper mounts give daily drivers and enthusiasts alike a wide tuning range from comfortable street to spirited canyon driving.

Built in Yokohama, Japan with twin-tube construction and Tein's sealed damper structure, the Flex Z provides long-term reliability at an accessible price point. Owners with auto-leveling headlights should reuse the OE anti-loose bracket and adjust shock absorber length during installation. Professional installation and wheel alignment are recommended after fitment.