Tein VSQ22-C1SA3-C Flex Z Coilovers 2006-2014 Lexus IS250/IS350/IS F RWD

Vehicle Fitment

• 2006-2013 Lexus IS250 (GSE20L, RWD, 2.5L V6 4GR-FSE) - All Trims
• 2006-2013 Lexus IS350 (GSE21L, RWD, 3.5L V6 2GR-FSE) - All Trims
• 2008-2014 Lexus IS F (USE20L, RWD, 5.0L V8 2UR-GSE) - All Years

Fitment Notes

• RWD models only - does NOT fit AWD IS250 (GSE25L)
• Plug-and-play fitment across all IS250, IS350, and IS F RWD variants - no additional conversion parts required
• EDFC compatible - requires EDFC Motor Kit EDK05-12120 (sold separately)

Features

• Full-length ride height adjustment maintains shock travel and ride quality across the full lowering range
• 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 ride heights
• Spring rates tuned for the IS platform's MacPherson front and multilink rear suspension geometry across IS250, IS350, and IS F variants
• Twin-tube damper construction delivers a smooth, composed ride well-suited to the IS series' sport-luxury character
• EDFC compatible for optional in-cabin electronic damping adjustment (EDK05-12120, sold separately)
• ZT-coated threaded sleeve and TEIN-green powder-coated springs and brackets for long-term corrosion resistance

Specifications

• Front Spring Rate: 448 lbs/in (8.0 kgf/mm)
• Rear Spring Rate: 280 lbs/in (5.0 kgf/mm)
• Front Ride Height Adjustment Range: -0.3 to -3.0 in
• Rear Ride Height Adjustment Range: -0.1 to -2.4 in
• Damping Adjustment: 16-Way (Compression and Rebound Together)
• Front Upper Mount: Camber-Adjustable Pillowball (included)
• Rear Upper Mount: Reinforced Rubber (included)
• EDFC Compatible: Yes (EDK05-12120, sold separately)
• Chassis Codes: GSE20L / GSE21L / USE20L
• Drivetrain: RWD

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 Reinforced Rubber Upper Mounts
• 2x Hook Spanners
• 1x Instruction Manual

Product Description

The Tein VSQ22-C1SA3-C Flex Z is a complete coilover kit covering the full RWD lineup of the 2nd-generation Lexus IS series - the 2006-2013 IS250 (GSE20L), 2006-2013 IS350 (GSE21L), and 2008-2014 IS F (USE20L). With 448 lbs/in front and 280 lbs/in rear spring rates, front camber-adjustable pillowball upper mounts, and 16-way damping adjustment, this kit delivers a lower, sharper stance and improved handling across all three IS variants while preserving the platform's sport-luxury ride character.

Built in Yokohama, Japan with twin-tube construction and Tein's sealed damper structure, the Flex Z is a direct plug-and-play bolt-on for all RWD IS250, IS350, and IS F models - AWD IS250 (GSE25L) is not compatible. EDFC installation requires Motor Kit EDK05-12120, sold separately. Professional installation and wheel alignment are recommended after fitment.