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
- GSTB4-81AS2
- Product series
- STREET BASIS Z
- Product type
- Coilover suspension kit
Specifications & supplied components
- Height adjustment by spring seat
- Yes
- Damping adjustable
- No
- Twin-tube construction
- Yes
- Damping adjustment
- No, fixed damping
- Ride-height adjustment
- Via spring seats
- Damper construction
- Twin-tube
Approval & application scope
- Approval
- without TÜV certificate, not road approved
Vehicle gradeTOYOTA ALPHARD · AGH30W G, X, S, S A PACKAGE, S C PACKAGE
01/2015 to 12/2017
- make
- TOYOTA
- model
- ALPHARD
- grade
- AGH30W G, X, S, S A PACKAGE, S C PACKAGE
- production period
- 01/2015 to 12/2017
- drivetrain
- Front-wheel drive (FWD)
- displacement as listed by TEIN
- 2500 cm³
- spring rate front
- 4 kgf/mm
- standard height change front
- -45 mm
- recommended lowering front
- 35–55 mm
- spring rate rear
- 9 kgf/mm
- standard height change rear
- -45 mm
- recommended lowering rear
- 35–55 mm
- installation notes
- NOT COMPATIBLE WITH VEHICLE EQUIPPED WITH SIDE LIFT-UP SEAT.
Vehicle gradeTOYOTA ALPHARD · AGH30W G, X, S, S A PACKAGE, S C PACKAGE
01/2018 to 05/2023
- make
- TOYOTA
- model
- ALPHARD
- grade
- AGH30W G, X, S, S A PACKAGE, S C PACKAGE
- production period
- 01/2018 to 05/2023
- drivetrain
- Front-wheel drive (FWD)
- displacement as listed by TEIN
- 2500 cm³
- spring rate front
- 4 kgf/mm
- standard height change front
- -40 mm
- recommended lowering front
- 30–50 mm
- spring rate rear
- 9 kgf/mm
- standard height change rear
- -35 mm
- recommended lowering rear
- 30–45 mm
- installation notes
- NOT COMPATIBLE WITH VEHICLE EQUIPPED WITH SIDE LIFT-UP SEAT.
Vehicle gradeTOYOTA ALPHARD · GGH30W SA, SA C PACKAGE, GF, EXECUTIVE LOUNGE
01/2015 to 12/2017
- make
- TOYOTA
- model
- ALPHARD
- grade
- GGH30W SA, SA C PACKAGE, GF, EXECUTIVE LOUNGE
- production period
- 01/2015 to 12/2017
- drivetrain
- Front-wheel drive (FWD)
- displacement as listed by TEIN
- 3500 cm³
- spring rate front
- 4 kgf/mm
- standard height change front
- -45 mm
- recommended lowering front
- 35–55 mm
- spring rate rear
- 9 kgf/mm
- standard height change rear
- -45 mm
- recommended lowering rear
- 40–55 mm
- installation notes
- NOT COMPATIBLE WITH VEHICLE EQUIPPED WITH SIDE LIFT-UP SEAT.
Vehicle gradeTOYOTA ALPHARD · GGH30W GF, SC, EXECUTIVE LOUNGE, EXECUTIVE LOUNGE S
01/2018 to 05/2023
- make
- TOYOTA
- model
- ALPHARD
- grade
- GGH30W GF, SC, EXECUTIVE LOUNGE, EXECUTIVE LOUNGE S
- production period
- 01/2018 to 05/2023
- drivetrain
- Front-wheel drive (FWD)
- displacement as listed by TEIN
- 3500 cm³
- spring rate front
- 4 kgf/mm
- standard height change front
- -55 mm
- recommended lowering front
- 45–65 mm
- spring rate rear
- 9 kgf/mm
- standard height change rear
- -45 mm
- recommended lowering rear
- 40–55 mm
- installation notes
- NOT COMPATIBLE WITH VEHICLE EQUIPPED WITH SIDE LIFT-UP SEAT.
Vehicle gradeTOYOTA VELLFIRE · AGH30W Z, Z A EDITION, Z G EDITION, V, X
01/2015 to 12/2017
- make
- TOYOTA
- model
- VELLFIRE
- grade
- AGH30W Z, Z A EDITION, Z G EDITION, V, X
- production period
- 01/2015 to 12/2017
- drivetrain
- Front-wheel drive (FWD)
- displacement as listed by TEIN
- 2500 cm³
- spring rate front
- 4 kgf/mm
- standard height change front
- -45 mm
- recommended lowering front
- 35–55 mm
- spring rate rear
- 9 kgf/mm
- standard height change rear
- -45 mm
- recommended lowering rear
- 35–55 mm
- installation notes
- NOT COMPATIBLE WITH VEHICLE EQUIPPED WITH SIDE LIFT-UP SEAT.
Vehicle gradeTOYOTA VELLFIRE · AGH30W Z, Z A EDITION, Z G EDITION, V, X
01/2018 to 05/2023
- make
- TOYOTA
- model
- VELLFIRE
- grade
- AGH30W Z, Z A EDITION, Z G EDITION, V, X
- production period
- 01/2018 to 05/2023
- drivetrain
- Front-wheel drive (FWD)
- displacement as listed by TEIN
- 2500 cm³
- spring rate front
- 4 kgf/mm
- standard height change front
- -40 mm
- recommended lowering front
- 30–50 mm
- spring rate rear
- 9 kgf/mm
- standard height change rear
- -35 mm
- recommended lowering rear
- 30–45 mm
- installation notes
- NOT COMPATIBLE WITH VEHICLE EQUIPPED WITH SIDE LIFT-UP SEAT.
Vehicle gradeTOYOTA VELLFIRE · GGH30W ZA, ZA G EDITION, VL, EXECUTIVE LOUNGE
01/2015 to 12/2017
- make
- TOYOTA
- model
- VELLFIRE
- grade
- GGH30W ZA, ZA G EDITION, VL, EXECUTIVE LOUNGE
- production period
- 01/2015 to 12/2017
- drivetrain
- Front-wheel drive (FWD)
- displacement as listed by TEIN
- 3500 cm³
- spring rate front
- 4 kgf/mm
- standard height change front
- -45 mm
- recommended lowering front
- 35–55 mm
- spring rate rear
- 9 kgf/mm
- standard height change rear
- -45 mm
- recommended lowering rear
- 40–55 mm
- installation notes
- NOT COMPATIBLE WITH VEHICLE EQUIPPED WITH SIDE LIFT-UP SEAT.
Vehicle gradeTOYOTA VELLFIRE · GGH30W ZG, VL, EXECUTIVE LOUNGE, EXECUTIVE LOUNGE Z
01/2018 to 05/2023
- make
- TOYOTA
- model
- VELLFIRE
- grade
- GGH30W ZG, VL, EXECUTIVE LOUNGE, EXECUTIVE LOUNGE Z
- production period
- 01/2018 to 05/2023
- drivetrain
- Front-wheel drive (FWD)
- displacement as listed by TEIN
- 3500 cm³
- spring rate front
- 4 kgf/mm
- standard height change front
- -55 mm
- recommended lowering front
- 45–65 mm
- spring rate rear
- 9 kgf/mm
- standard height change rear
- -45 mm
- recommended lowering rear
- 40–55 mm
- installation notes
- NOT COMPATIBLE WITH VEHICLE EQUIPPED WITH SIDE LIFT-UP SEAT.
Weight & manufacturer details
- Weight in TEIN list
- 30.28 kg
Description & frequently asked questions
STREET BASIS Z – Product features and benefits
-
Adjustable damping: No, fixed damping
-
Ride-height adjustment: Via spring seats
-
Damper construction: Twin-tube
Fixed damping provides a straightforward suspension setup without additional damping adjustments.
Ride height is set through spring-seat position, within the ranges specified for the individual application.
Twin-tube dampers support a suspension setup focused on road comfort.
The vehicle applications for this item specify ride-height values, spring rates, upper mounts and installation notes.
More about this range STREET BASIS Z
TEIN STREET BASIS Z – GSTB4-81AS2
TEIN STREET BASIS Z, part GSTB4-81AS2. Applications listed for TOYOTA ALPHARD / TOYOTA VELLFIRE. 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.
Characteristics & additional product details
TEIN EUROPE sp. z o.o., ul. Wrzesinska 70, 62-025 Kostrzyn, Poland, Email: info@eu.tein.com
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