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
- VSK54-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 gradeINFINITI Q50 · V37 4DR/6CYL,EXC 4WD. INCL SILVERSPORT RWD.
2014 to 2015
- make
- INFINITI
- model
- Q50
- grade
- V37 4DR/6CYL,EXC 4WD. INCL SILVERSPORT RWD.
- production period
- 2014 to 2015
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 3700 cm³
- spring rate front
- 12 kgf/mm
- standard height change front
- -35 mm
- recommended lowering front
- 25–45 mm
- spring rate rear
- 5 kgf/mm
- standard height change rear
- -35 mm
- recommended lowering rear
- 25–45 mm
- installation notes
- 4DR/6CYL/3.7L, FRONT BOTTOM EYE BUSH STYLE ONLY. RR: USE OF EDFC SERIES IS RECOMMENDED, AS REAR SEATS NEED TO BE REMOVED WHEN ADJUSTING DAMPING FORCE.
Vehicle gradeINFINITI Q50 · V37 RED SPORT 400 (4DR/6CYL),EXC 4WD
from 2016
- make
- INFINITI
- model
- Q50
- grade
- V37 RED SPORT 400 (4DR/6CYL),EXC 4WD
- production period
- from 2016
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 3000 cm³
- spring rate front
- 12 kgf/mm
- standard height change front
- -20 mm
- recommended lowering front
- 10–30 mm
- spring rate rear
- 5 kgf/mm
- standard height change rear
- -30 mm
- recommended lowering rear
- 20–40 mm
- installation notes
- FRONT BOTTOM EYE BUSH STYLE ONLY. RR: USE OF EDFC SERIES IS RECOMMENDED, AS REAR SEATS NEED TO BE REMOVED WHEN ADJUSTING DAMPING FORCE.
Vehicle gradeINFINITI Q50 · V37 4DR/6CYL,EXC 4WD. INCL SILVERSPORT RWD.
from 2016
- make
- INFINITI
- model
- Q50
- grade
- V37 4DR/6CYL,EXC 4WD. INCL SILVERSPORT RWD.
- production period
- from 2016
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 3000 cm³
- spring rate front
- 12 kgf/mm
- standard height change front
- -35 mm
- recommended lowering front
- 25–45 mm
- spring rate rear
- 5 kgf/mm
- standard height change rear
- -35 mm
- recommended lowering rear
- 25–45 mm
- installation notes
- 4DR/6CYL/3.7L, FRONT BOTTOM EYE BUSH STYLE ONLY. RR: USE OF EDFC SERIES IS RECOMMENDED, AS REAR SEATS NEED TO BE REMOVED WHEN ADJUSTING DAMPING FORCE.
Vehicle gradeINFINITI Q50 HYBRID · HV37
from 2014
- make
- INFINITI
- model
- Q50 HYBRID
- grade
- HV37
- production period
- from 2014
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 3500 cm³
- spring rate front
- 12 kgf/mm
- standard height change front
- -30 mm
- recommended lowering front
- 20–40 mm
- spring rate rear
- 5 kgf/mm
- standard height change rear
- -25 mm
- recommended lowering rear
- 15–35 mm
- installation notes
- FRONT BOTTOM EYE BUSH STYLE ONLY. RR: USE OF EDFC SERIES IS RECOMMENDED, AS REAR SEATS NEED TO BE REMOVED WHEN ADJUSTING DAMPING FORCE.
Vehicle gradeINFINITI Q50 HYBRID · HV37 4DR/6CYL,EXC 4WD
2014 to 2018
- make
- INFINITI
- model
- Q50 HYBRID
- grade
- HV37 4DR/6CYL,EXC 4WD
- production period
- 2014 to 2018
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 3500 cm³
- spring rate front
- 12 kgf/mm
- standard height change front
- -30 mm
- recommended lowering front
- 20–40 mm
- spring rate rear
- 5 kgf/mm
- standard height change rear
- -25 mm
- recommended lowering rear
- 15–35 mm
- installation notes
- FRONT BOTTOM EYE BUSH STYLE ONLY. RR: USE OF EDFC SERIES IS RECOMMENDED, AS REAR SEATS NEED TO BE REMOVED WHEN ADJUSTING DAMPING FORCE.
Vehicle gradeINFINITI Q60 · CV37 RED SPORT (2DR/6CYL),EXC 4WD
from 2017
- make
- INFINITI
- model
- Q60
- grade
- CV37 RED SPORT (2DR/6CYL),EXC 4WD
- production period
- from 2017
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 3000 cm³
- spring rate front
- 12 kgf/mm
- standard height change front
- -20 mm
- recommended lowering front
- 10–30 mm
- spring rate rear
- 5 kgf/mm
- standard height change rear
- -35 mm
- recommended lowering rear
- 25–45 mm
- installation notes
- FRONT BOTTOM EYE BUSH STYLE ONLY. RR: USE OF EDFC SERIES IS RECOMMENDED, AS REAR SEATS NEED TO BE REMOVED WHEN ADJUSTING DAMPING FORCE.
Vehicle gradeINFINITI Q60 · CV37 2DR/6CYL (3.0T), EXC 4WD
from 2017
- make
- INFINITI
- model
- Q60
- grade
- CV37 2DR/6CYL (3.0T), EXC 4WD
- production period
- from 2017
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 3000 cm³
- spring rate front
- 12 kgf/mm
- standard height change front
- -20 mm
- recommended lowering front
- 10–30 mm
- spring rate rear
- 5 kgf/mm
- standard height change rear
- -35 mm
- recommended lowering rear
- 25–45 mm
- installation notes
- FRONT BOTTOM EYE BUSH STYLE ONLY. RR: USE OF EDFC SERIES IS RECOMMENDED, AS REAR SEATS NEED TO BE REMOVED WHEN ADJUSTING DAMPING FORCE.
Vehicle gradeNISSAN SKYLINE HYBRID · HV37 350GT HYBRID, 350GT HYBRID TYPE P, 350GT HYBRID TYPE SP
02/2014 to 08/2022
- make
- NISSAN
- model
- SKYLINE HYBRID
- grade
- HV37 350GT HYBRID, 350GT HYBRID TYPE P, 350GT HYBRID TYPE SP
- production period
- 02/2014 to 08/2022
- drivetrain
- Rear-wheel drive (RWD)
- displacement as listed by TEIN
- 3500 cm³
- spring rate front
- 12 kgf/mm
- standard height change front
- -30 mm
- recommended lowering front
- 20–40 mm
- spring rate rear
- 5 kgf/mm
- standard height change rear
- -25 mm
- recommended lowering rear
- 15–35 mm
- installation notes
- FRONT BOTTOM EYE BUSH STYLE ONLY. RR: USE OF EDFC SERIES IS RECOMMENDED, AS REAR SEATS NEED TO BE REMOVED WHEN ADJUSTING DAMPING FORCE.
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
- INFINITI: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12120
- EDFC application 002
- INFINITI SKYLINE HYBRID HV37: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12120
- EDFC application 003
- INFINITI Q50 V37: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12120
- EDFC installation note 001
- Ft+Rr: Motor needs to be fitted to damper prior to installation
- EDFC installation note 002
- Ft+Rr: Motor needs to be fitted to damper prior to installation
- EDFC installation note 003
- Ft+Rr: Motor needs to be fitted to damper prior to installation
- EDFC application 004
- INFINITI Q50 HYBRID HV37: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12120
- EDFC installation note 004
- Ft+Rr: Motor needs to be fitted to damper prior to installation
- EDFC application 005
- INFINITI Q60 CV37: Controller EDK04-R6655; GPS EDK07-P8022; Motorkit EDK05-12120
- EDFC installation note 005
- Ft+Rr: Motor needs to be fitted to damper prior to installation
Weight & manufacturer details
- Weight in TEIN list
- 28.55 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 – VSK54-C1SA3
TEIN FLEX Z, part VSK54-C1SA3. Applications listed for INFINITI Q50 / INFINITI Q50 HYBRID 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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