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
- GSC78-91AS2
- Product series
- STREET ADVANCE Z
- Product type
- Coilover suspension kit
Specifications & supplied components
- Height adjustment by spring seat
- Yes
- Damping adjustable
- Yes
- Twin-tube construction
- Yes
- Damping adjustment
- Yes, 16 settings
- Ride-height adjustment
- Via spring seats
- Damper construction
- Twin-tube
Approval & application scope
- Approval
- without TÜV certificate, not road approved
Vehicle gradeTOYOTA ALPHARD · ANH20W 240S, 240X, 240G
05/2008 to 12/2014
- make
- TOYOTA
- model
- ALPHARD
- grade
- ANH20W 240S, 240X, 240G
- production period
- 05/2008 to 12/2014
- drivetrain
- Front-wheel drive (FWD)
- displacement as listed by TEIN
- 2400 cm³
- spring rate front
- 4 kgf/mm
- standard height change front
- -50 mm
- recommended lowering front
- 40–60 mm
- spring rate rear
- 6 kgf/mm
- standard height change rear
- -45 mm
- recommended lowering rear
- 35–55 mm
- installation notes
- RR: OE DUST BOOT NEEDS TO BE MODIFIED. WHEN ADJUSTING RR RIDE HEIGHT, H.A.S. NEEDS TO BE REMOVED ONCE.
Vehicle gradeTOYOTA ALPHARD · GGH20W 350S, 350X, 350G
05/2008 to 12/2014
- make
- TOYOTA
- model
- ALPHARD
- grade
- GGH20W 350S, 350X, 350G
- production period
- 05/2008 to 12/2014
- 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
- 6 kgf/mm
- standard height change rear
- -50 mm
- recommended lowering rear
- 40–60 mm
- installation notes
- RR: OE DUST BOOT NEEDS TO BE MODIFIED. WHEN ADJUSTING RR RIDE HEIGHT, H.A.S. NEEDS TO BE REMOVED ONCE. FOR VEHICLE EQUIPPED WITH OPTIONAL PARTS/COMPONENTS (E.G. TWIN MOONROOF, POWER BACKDOOR), USE OF "GSC86-91AS2" IS RECOMMENDED, AS THE ADDED WEIGHT MIGHT CAUSE THE RIDE HEIGHT TO DROP LOWER THAN THE STANDARD SETTING (FOR VEHICLE WEIGHT APPROX. 2,000KG & OVER).
Vehicle gradeTOYOTA ALPHARD G'S · ANH20W 240S
11/2012 to 12/2014
- make
- TOYOTA
- model
- ALPHARD G'S
- grade
- ANH20W 240S
- production period
- 11/2012 to 12/2014
- drivetrain
- Front-wheel drive (FWD)
- displacement as listed by TEIN
- 2400 cm³
- spring rate front
- 4 kgf/mm
- standard height change front
- -20 mm
- recommended lowering front
- 10–30 mm
- spring rate rear
- 6 kgf/mm
- standard height change rear
- -15 mm
- recommended lowering rear
- 10–25 mm
- installation notes
- RR: OE DUST BOOT NEEDS TO BE MODIFIED. WHEN ADJUSTING RR RIDE HEIGHT, H.A.S. NEEDS TO BE REMOVED ONCE.
Vehicle gradeTOYOTA VELLFIRE · ANH20W 2.4V, 2.4Z, 2.4X
05/2008 to 12/2014
- make
- TOYOTA
- model
- VELLFIRE
- grade
- ANH20W 2.4V, 2.4Z, 2.4X
- production period
- 05/2008 to 12/2014
- drivetrain
- Front-wheel drive (FWD)
- displacement as listed by TEIN
- 2400 cm³
- spring rate front
- 4 kgf/mm
- standard height change front
- -50 mm
- recommended lowering front
- 40–60 mm
- spring rate rear
- 6 kgf/mm
- standard height change rear
- -45 mm
- recommended lowering rear
- 35–55 mm
- installation notes
- RR: OE DUST BOOT NEEDS TO BE MODIFIED. WHEN ADJUSTING RR RIDE HEIGHT, H.A.S. NEEDS TO BE REMOVED ONCE.
Vehicle gradeTOYOTA VELLFIRE · GGH20W 3.5V, 3.5Z, 3.5X
05/2008 to 12/2014
- make
- TOYOTA
- model
- VELLFIRE
- grade
- GGH20W 3.5V, 3.5Z, 3.5X
- production period
- 05/2008 to 12/2014
- 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
- 6 kgf/mm
- standard height change rear
- -50 mm
- recommended lowering rear
- 40–60 mm
- installation notes
- RR: OE DUST BOOT NEEDS TO BE MODIFIED. WHEN ADJUSTING RR RIDE HEIGHT, H.A.S. NEEDS TO BE REMOVED ONCE. FOR VEHICLE EQUIPPED WITH OPTIONAL PARTS/COMPONENTS (E.G. TWIN MOONROOF, POWER BACKDOOR), USE OF "GSC86-91AS2" IS RECOMMENDED, AS THE ADDED WEIGHT MIGHT CAUSE THE RIDE HEIGHT TO DROP LOWER THAN THE STANDARD SETTING (FOR VEHICLE WEIGHT APPROX. 2,000KG & OVER).
Vehicle gradeTOYOTA VELLFIRE G'S · ANH20W 2.4Z
11/2012 to 12/2014
- make
- TOYOTA
- model
- VELLFIRE G'S
- grade
- ANH20W 2.4Z
- production period
- 11/2012 to 12/2014
- drivetrain
- Front-wheel drive (FWD)
- displacement as listed by TEIN
- 2400 cm³
- spring rate front
- 4 kgf/mm
- standard height change front
- -20 mm
- recommended lowering front
- 10–30 mm
- spring rate rear
- 6 kgf/mm
- standard height change rear
- -15 mm
- recommended lowering rear
- 10–25 mm
- installation notes
- RR: OE DUST BOOT NEEDS TO BE MODIFIED. WHEN ADJUSTING RR RIDE HEIGHT, H.A.S. NEEDS TO BE REMOVED ONCE.
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 ALPHARD ANH20W: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12140; Additional part 1 EDK08-P8514-12
- EDFC application 002
- TOYOTA VELLFIRE ANH20W: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12140; Additional part 1 EDK08-P8514-12
- EDFC application 003
- TOYOTA VELLFIRE GGH20W: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12140; Additional part 1 EDK08-P8514-12
- EDFC application 004
- TOYOTA ALPHARD GGH20W: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12140; Additional part 1 EDK08-P8514-12
- EDFC application 005
- TOYOTA ALPHARD G'S ANH20W: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12140; Additional part 1 EDK08-P8514-12
- EDFC application 006
- TOYOTA VELLFIRE G'S ANH20W: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12140; Additional part 1 EDK08-P8514-12
Weight & manufacturer details
- Weight in TEIN list
- 30.35 kg
Description & frequently asked questions
STREET ADVANCE Z – Product features and benefits
-
Adjustable damping: Yes, 16 settings
-
Ride-height adjustment: Via spring seats
-
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.
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.
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 STREET ADVANCE Z
TEIN STREET ADVANCE Z – GSC78-91AS2
TEIN STREET ADVANCE Z, part GSC78-91AS2. Applications listed for TOYOTA ALPHARD / TOYOTA ALPHARD G'S and others. 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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