TEIN · TECHNICAL DATA
Specifications & vehicle fitment
Use the details for your vehicle grade. Production periods and certificate scope apply only to the stated application.
Product overview
- Manufacturer part number
- VST38-C1SA3
- Product series
- FLEX Z
- Product type
- Coilover suspension kit
Specifications & supplied components
- Height adjustment by lower bracket
- Yes
- Height adjustment by spring seat
- Yes
- Damping adjustable
- Yes
- Twin-tube construction
- Yes
- Damping adjustment
- Yes, 16 settings
- Ride-height adjustment
- Full-length, depending on axle design
- Damper construction
- Twin-tube
Approval & application scope
- Approval
- without TÜV certificate, not road approved
Vehicle gradeTOYOTA SOARER · GZ20 GT TWIN TURBO, TWIN TURBO L, 2.0VX
01/1986 to 05/1991
- make
- TOYOTA
- model
- SOARER
- grade
- GZ20 GT TWIN TURBO, TWIN TURBO L, 2.0VX
- production period
- 01/1986 to 05/1991
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 2000 cm³
- spring rate front
- 14 kgf/mm
- standard height change front
- -45 mm
- recommended lowering front
- 35–55 mm
- spring rate rear
- 6 kgf/mm
- standard height change rear
- -40 mm
- recommended lowering rear
- 30–50 mm
Vehicle gradeTOYOTA SOARER · MZ20 GT, GT LIMITED
01/1986 to 05/1991
- make
- TOYOTA
- model
- SOARER
- grade
- MZ20 GT, GT LIMITED
- production period
- 01/1986 to 05/1991
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 3000 cm³
- spring rate front
- 14 kgf/mm
- standard height change front
- -45 mm
- recommended lowering front
- 35–55 mm
- spring rate rear
- 6 kgf/mm
- standard height change rear
- -40 mm
- recommended lowering rear
- 30–50 mm
Vehicle gradeTOYOTA SUPRA · GA70 G, GT, GT TWIN TURBO
01/1986 to 04/1993
- make
- TOYOTA
- model
- SUPRA
- grade
- GA70 G, GT, GT TWIN TURBO
- production period
- 01/1986 to 04/1993
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 2000 cm³
- spring rate front
- 14 kgf/mm
- standard height change front
- -45 mm
- recommended lowering front
- 35–55 mm
- spring rate rear
- 6 kgf/mm
- standard height change rear
- -40 mm
- recommended lowering rear
- 30–50 mm
Vehicle gradeTOYOTA SUPRA · JZA70 GT, TWIN TURBO, TWIN TURBO R
08/1990 to 04/1993
- make
- TOYOTA
- model
- SUPRA
- grade
- JZA70 GT, TWIN TURBO, TWIN TURBO R
- production period
- 08/1990 to 04/1993
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 2500 cm³
- spring rate front
- 14 kgf/mm
- standard height change front
- -45 mm
- recommended lowering front
- 35–55 mm
- spring rate rear
- 6 kgf/mm
- standard height change rear
- -40 mm
- recommended lowering rear
- 30–50 mm
Vehicle gradeTOYOTA SUPRA · JZA70
1990 to 1992
- make
- TOYOTA
- model
- SUPRA
- grade
- JZA70
- production period
- 1990 to 1992
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 2500 cm³
- spring rate front
- 14 kgf/mm
- standard height change front
- -45 mm
- recommended lowering front
- 35–55 mm
- spring rate rear
- 6 kgf/mm
- standard height change rear
- -40 mm
- recommended lowering rear
- 30–50 mm
Vehicle gradeTOYOTA SUPRA · MA70 GT TURBO, GT TWIN TURBO S
01/1986 to 08/1990
- make
- TOYOTA
- model
- SUPRA
- grade
- MA70 GT TURBO, GT TWIN TURBO S
- production period
- 01/1986 to 08/1990
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 3000 cm³
- spring rate front
- 14 kgf/mm
- standard height change front
- -45 mm
- recommended lowering front
- 35–55 mm
- spring rate rear
- 6 kgf/mm
- standard height change rear
- -40 mm
- recommended lowering rear
- 30–50 mm
Vehicle gradeTOYOTA SUPRA · MA70L
1987 to 1992
- make
- TOYOTA
- model
- SUPRA
- grade
- MA70L
- production period
- 1987 to 1992
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 3000 cm³
- spring rate front
- 14 kgf/mm
- standard height change front
- -45 mm
- recommended lowering front
- 35–55 mm
- spring rate rear
- 6 kgf/mm
- standard height change rear
- -40 mm
- recommended lowering rear
- 30–50 mm
EDFC & accessories
- EDFC compatibility
- Components in the following manufacturer applications are available separately. EDFC is not automatically supplied with the suspension kit.
- EDFC application 001
- TOYOTA SUPRA MA70L: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12120
- EDFC application 002
- TOYOTA SUPRA GA70: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12120
- EDFC installation note 001
- Rr: Modification is required
- EDFC installation note 002
- Rr: Modification is required
- EDFC application 004
- TOYOTA SUPRA JZA70: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12120
- EDFC installation note 004
- Rr: Modification is required
- EDFC application 006
- TOYOTA SUPRA MA70: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12120
- EDFC installation note 006
- Rr: Modification is required
Weight & manufacturer details
- Weight in TEIN list
- 26.62 kg
Description & frequently asked questions
FLEX Z – Product features and benefits
-
Adjustable damping: Yes, 16 settings
-
Ride-height adjustment: Full-length, depending on axle design
-
Damper construction: Twin-tube
Use the adjustment dial to tune damping to your preferred ride. Compression and rebound change together; spring rate stays the same.
Full-length adjustment separates ride-height setting from spring preload on applicable coilover units. Axles with separate springs and dampers use their specific adjustment layout.
Twin-tube dampers support a suspension setup focused on road comfort.
EDFC application assignments are available for this item. Select the specified controllers, motor kits and accessories separately; they are not automatically included.
The vehicle applications for this item specify ride-height values, spring rates, upper mounts and installation notes.
More about this range FLEX Z
TEIN FLEX Z – VST38-C1SA3
TEIN FLEX Z, part VST38-C1SA3. Applications listed for TOYOTA SOARER / TOYOTA SUPRA. Check chassis, grade, production period and installation notes.
Technical information and application
The technical attributes retain the vehicle-specific figures and installation notes from the manufacturer catalogue. Use only the values for your exact application. Production dates are not necessarily the same as first registration.
Questions about this product
How do I check fitment?
Compare the exact manufacturer part number and the relevant application data. Where vehicle applications are listed, also check chassis code, grade, production period and any equipment exclusions.
Does a vehicle listing confirm road approval?
No. Technical fitment and approval are separate. Any certificate note applies only to its stated scope. Refer to the complete documents for the specific vehicle.
Example image – the actual product may differ from the illustration.
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