Tein VSN58-C1SA3-C Flex Z Coilovers 1998-2001 Nissan Skyline R34 RWD

Vehicle Fitment

• 1998-2001 Nissan Skyline R34 25GT-T (ER34, RWD, 2.5L Turbo RB25DET) - Super HICAS equipped
• 1998-2001 Nissan Skyline R34 25GT-V (ER34, RWD, 2.5L NA RB25DE) - Super HICAS equipped

Fitment Notes

• Exclusively for Super HICAS (electric rear-wheel steering) equipped ER34 models - does NOT fit non-HICAS ER34 variants
• Rear lower mount: fork/bottom eye style only - confirm rear lower mount configuration before ordering
• Does NOT fit the R34 GT-R (BCNR34) or any AWD Skyline variant
• 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 ER34's MacPherson front and multilink rear suspension geometry and RB-powered weight distribution
• Twin-tube damper construction delivers a smooth, composed ride suited to the R34's GT 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: 392 lbs/in (7.0 kgf/mm)
• Rear Spring Rate: 280 lbs/in (5.0 kgf/mm)
• Front Spring Free Length: 200mm
• Rear Spring Free Length: 250mm
• Front Ride Height Adjustment Range: -0.8 to -4.1 in (-21mm to -103mm)
• Rear Ride Height Adjustment Range: +0.2 to -3.7 in (+5mm to -95mm)
• Recommended Front Drop: -1.4 to -2.2 in (-35mm to -55mm)
• Recommended Rear Drop: -1.0 to -1.8 in (-25mm to -45mm)
• 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 Code: ER34
• Drivetrain: RWD
• Engines: 2.5L Turbo RB25DET / 2.5L NA RB25DE

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 VSN58-C1SA3-C Flex Z is a complete coilover kit for the 1998-2001 Nissan Skyline R34 in 25GT-T and 25GT-V specification (ER34), covering both the turbocharged RB25DET and naturally aspirated RB25DE variants in RWD configuration. This kit is designed exclusively for Super HICAS equipped ER34 models - the electric rear-wheel steering system fitted to 25GT-T and 25GT-V trims. With 392 lbs/in front and 280 lbs/in rear spring rates, front camber-adjustable pillowball upper mounts, and wide full-length ride height adjustability, the Flex Z delivers meaningful stance and handling improvement tailored to the R34's grand touring character.

Built in Yokohama, Japan with twin-tube construction and Tein's sealed damper structure, the Flex Z requires the rear fork/eye style lower mount for correct installation - confirm your rear lower mount configuration before ordering. This kit does not fit non-HICAS ER34 models or the R34 GT-R (BCNR34). EDFC installation requires Motor Kit EDK05-12120, sold separately. Professional installation and wheel alignment are recommended after fitment.