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
- GSS78-71SS1
- Product series
- MONO SPORT
- Product type
- Coilover suspension kit
Specifications & supplied components
- Height adjustment by lower bracket
- Yes
- Height adjustment by spring seat
- Yes
- Damping adjustable
- Yes
- Damping adjustment
- Yes, 16 settings
- Ride-height adjustment
- Full-length, depending on axle design
- Damper construction
- Monotube
- Monotube construction
- Yes
- MSV in series overview
- Yes
Approval & application scope
- Approval
- without TÜV certificate, not road approved
Vehicle gradeSUBARU IMPREZA · GRB WRX STI
10/2007 to 08/2014
- make
- SUBARU
- model
- IMPREZA
- grade
- GRB WRX STI
- production period
- 10/2007 to 08/2014
- drivetrain
- All-wheel drive (AWD)
- displacement as listed by TEIN
- 2000 cm³
- spring rate front
- 10 kgf/mm
- standard height change front
- -30 mm
- recommended lowering front
- 20–40 mm
- spring rate rear
- 8 kgf/mm
- standard height change rear
- -25 mm
- recommended lowering rear
- 15–35 mm
- installation notes
- RR: INTERIOR NEEDS TO BE MODIFIED.
Vehicle gradeSUBARU IMPREZA · GRF WRX STI A-LINE
02/2009 to 08/2014
- make
- SUBARU
- model
- IMPREZA
- grade
- GRF WRX STI A-LINE
- production period
- 02/2009 to 08/2014
- drivetrain
- All-wheel drive (AWD)
- displacement as listed by TEIN
- 2500 cm³
- spring rate front
- 10 kgf/mm
- standard height change front
- -25 mm
- recommended lowering front
- 15–35 mm
- spring rate rear
- 8 kgf/mm
- standard height change rear
- -25 mm
- recommended lowering rear
- 15–35 mm
- installation notes
- RR: INTERIOR NEEDS TO BE MODIFIED.
Vehicle gradeSUBARU IMPREZA · GVB WRX STI
07/2010 to 08/2014
- make
- SUBARU
- model
- IMPREZA
- grade
- GVB WRX STI
- production period
- 07/2010 to 08/2014
- drivetrain
- All-wheel drive (AWD)
- displacement as listed by TEIN
- 2000 cm³
- spring rate front
- 10 kgf/mm
- standard height change front
- -25 mm
- recommended lowering front
- 15–35 mm
- spring rate rear
- 8 kgf/mm
- standard height change rear
- -25 mm
- recommended lowering rear
- 15–35 mm
- installation notes
- RR: INTERIOR NEEDS TO BE MODIFIED.
Vehicle gradeSUBARU IMPREZA · GVF WRX STI A-LINE
07/2010 to 08/2014
- make
- SUBARU
- model
- IMPREZA
- grade
- GVF WRX STI A-LINE
- production period
- 07/2010 to 08/2014
- drivetrain
- All-wheel drive (AWD)
- displacement as listed by TEIN
- 2500 cm³
- spring rate front
- 10 kgf/mm
- standard height change front
- -25 mm
- recommended lowering front
- 15–35 mm
- spring rate rear
- 8 kgf/mm
- standard height change rear
- -20 mm
- recommended lowering rear
- 10–30 mm
- installation notes
- RR: INTERIOR NEEDS TO BE MODIFIED.
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
- SUBARU IMPREZA GRB: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12140; Additional part 1 EDK06-K4474
- EDFC application 002
- SUBARU IMPREZA GRF: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12140; Additional part 1 EDK06-K4474
- EDFC application 003
- SUBARU IMPREZA GVF: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12140; Additional part 1 EDK06-K4474
- EDFC application 004
- SUBARU IMPREZA GVB: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12140; Additional part 1 EDK06-K4474
Weight & manufacturer details
- Weight in TEIN list
- 27.8 kg
Description & frequently asked questions
MONO SPORT – Product features and benefits
-
Adjustable damping: Yes, 16 settings
-
Ride-height adjustment: Full-length, depending on axle design
-
Damper construction: Monotube
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.
Monotube construction separates gas and damper oil and is designed for direct feedback and demanding sporty use.
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 MONO SPORT
TEIN MONO SPORT – GSS78-71SS1
TEIN MONO SPORT, part GSS78-71SS1. Applications listed for SUBARU IMPREZA. 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
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