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VXR Logo
ST Suspension by KW
Vauxhall Logo
ST LogoST by KW is produced by one of the world's leading suppliers of performance orientated suspension systems, and features a wide range that covers nearly every vehicle platform. ST suspension kits are affordably priced and good quality, for drivers' seeking quality and performance but on a budget.

ST X Coilovers

Height Adjustable / Fixed Damping Rates

ST XA Coilovers

Height Adjustable / Adjustable Damping
ST coilovers feature a continuous thread construction for height adjustment from moderate to eXtreme! Each coilover is manufactured by KW Automotive and their expertise and know how ensures maximum quality and fantastic driving dynamics. For drivers wanting more than just ride height adjustment comes the ST XA coilover. Developed alongside KW Automotive the ST XA allows individual adjustment of the damping to suit just about all your driving needs!

ST XTA Coilovers

Height Adjustable / Adjustable Damping with Top Mounts
For those who demand the absolute best performance comes the ST XTA coilover. The full driving behaviour of your car can be adjusted using KW damper technology along with an adjustable aluminium uniball top mount for fine-tuning of the camber and caster!

ST X Coilovers

The ST X coilover can be easily adjusted using a polyamide ring on the galvanized, multiple-sealed strut.

Improved driving dynamics and handling
Designed in conjunction with KW Germany, ST X coilovers deliver a sporty handling by reducing the car’s bodyroll during compression as well as improving agility when driving fast. The high-quality production of each ST X coilover includes a low-friction and pressure resistant housing alongside a chrome-plated piston rod for maximum longevity. A mono block guide and ST seal package ensures the twin-tube dampers remain free of dirt particles in all weather conditions.
  • Individual lowering within the TÜV-tested adjustment range
  • Front and rear axle thread adjustment (when possible)
  • Galvanized coilover struts with additional coating for optimized corrosion protection
  • Complete solution with adjustable spring plate, race spring system and bumpers with dust protection
  • Powerful twin-tube dampers with high-quality components for maximum longevity

ST XA Coilovers

Perfect for sporty driving
ST XA coilovers feature KW damping technology which allows the suspension to be made either stiffer or softer depending on the driving conditions. This damping adjustment is made on the upper end of the chromed piston rod allowing the setup to be changed almost instantly. If the rebound force is increased, the car will drive with even more track stability and further reduced bodyroll. If the rebound force is decreased, the car will feel more comfortable when on the move. Any vehicle fitted with ST XA coilovers will be much more agile and sporty compared to standard.

Easy lowering adjustment
Like all ST coilovers the lowering adjustment is made via a continuous thread on the galvanized strut. This even allows the lowering to be made even when the kit is installed by turning the spring plate higher or lower! NOTE: The lowering of each vehicle differs greatly with ST XA coilovers due to the type of construction.

KW Engineering: Exclusive for ST suspension
The high-quality ST XA coilover is based on the twin-tube damping principle of low friction combined with pressure-resistant damper housings. Manufactured directly at KW, a mono block guide and seal package reduces the friction of the damper as well as protecting it against corrosion and dirt. Each galvanized strut is sealed multiple times to ensure maximum longevity in ALL weather conditions.
  • External damper adjustment
  • Latest damping technology for maximum longevity
  • Reduced system friction for effective damping adjustment
  • Individual lowering within the TÜV-tested adjustment range
  • Front and rear axle (when possible) with thread adjustment
  • Galvanized coilover struts with additional coating for an optimized corrosion protection
  • Complete solution with adjustable spring plate, race spring system and bumpers with dust protection

ST XTA Coilovers

Performance driving in mind
ST XTA coilovers feature KW damping technology which allows the suspension to be made either stiffer or softer depending on the driving conditions. This damping adjustment is made on the upper end of the chromed piston rod allowing the setup to be changed almost instantly. If the rebound force is increased, the car will drive with even more track stability and further reduced bodyroll. If the rebound force is decreased, the car will feel more comfortable when on the move. For increased performance, the ST XTA features an aluminium adjustable topmount allowing the camber and caster to be adjusted depending on your driving needs or vehicle setup.

Easy lowering adjustment
Like all ST coilovers the lowering adjustment is made via a continuous thread on the galvanized strut. This even allows the lowering to be made even when the kit is installed by turning the spring plate higher or lower! NOTE: The lowering of each vehicle differs greatly with ST XTA coilovers due to the type of construction. For example, older vehicles such as the Honda Civic (EJ9) can be lowered between 40-75mm with ST XTA coilovers, while newer models such as the Audi S3 (8P) can be lowered between 10-40mm due to being much lower from the factory.

KW Engineering: Exclusive for ST suspension
The high-quality ST XTA coilover is based on the twin-tube damping principle of low friction combined with pressure-resistant damper housings. Manufactured directly at KW, a mono block guide and seal package reduces the friction of the damper as well as protecting it against corrosion and dirt. Each galvanized strut is sealed multiple times to ensure maximum longevity in ALL weather conditions.
  • Latest damping technology for maximum longevity
  • Reduced system friction for effective damping adjustment
  • Individual lowering within the TÜV-tested adjustment range
  • Front and rear axle (when possible) with thread adjustment
  • Galvanized coilover struts with additional coating for an optimized corrosion protection
  • Complete solution with adjustable spring plate, race spring system and bumpers with dust protection
  • Aluminium adjustable uniball top mounts (when possible)
  • Scaled camber adjustment (optionally also caster)
  • Externally adjustable damping

ST Pricing.

ST kit pricing is very staightforward. Select the kit from the second table and the price category from the first table below:
Kit / Category A B C S
ST X
 £598
 £699
 £789 S1 £525
ST XA  £789  £898
 £999 S1 £898
ST XTA  £999  £1098
 £1198 -

Applications and Prices:

Vehicle

Year

max allowed axle
weight in kg

TUV approved
lowering in mm

Notes

ST
X

ST
XA

ST
XTA

Front Axle

Rear Axle

Front Axle

Rear Axle

 

£

£

£

Adam   01/13- 820 730 20-45 25-45   A x x
Astra G Hatch & Coupe 05/98 -

960
1040

900
900

30-65 20-50 42,164 B x x
Convertible 05/98 - 960
1040
845
845
30-65 20-50 42,164 B x x
Estate 05/98 - 960
1035
900
900
30-65 20-50 42,164 B x x
Astra H** 3dr, VXR/OPC 03/05 - 1060 840 25-50 15-40 **42,195 B x x
Hatch 5dr 03/04 - 1060 940 30-65 20-50 **42,195 B x B
Estate 08/04 - 1060 940 30-60 20-40 **11,42,195 B x B
Twin Top 04/06 - 1075 1000 30-60 35-65 **42,195 B x B
Astra J 5 dr Hatch 11/08 - 1155 1000 35-65 35-65 6 B x x
Nova   83 - 93 680 665 30-60 30-50 164 S1 x x
Corsa B   93 - 00 820 720 30-60 30-50 164 S1 x x
Corsa C Only 1.0/1.2/1.7D 07/00 - 880 760 30-60 20-40 182 A x x
07/00 - 900 760 30-60 20-50 183 A x x
Corsa D Petrol 10/06 - 855 800 25-55 25-50   A x x
Diesel 10/06 - 990 800 25-55 25-50   A x x
VXR/OPC 06/07 - 960 800 20-40 15-30 z A x x
Meriva All inc VXR/OPC 09/02 - 1005
1045
950
950
20-40 20-40 A x x
Tigra A Coupe 09/94 - 805 700 30-60 30-50 164 S1 x x
Vectra B All 10/95 - 950
1055
1025
1025
35-60 35-75 11 B x x
Vectra C Hatch/Saloon 04/02 - 1190 980 40-70 25-55 199 B x x
Estate 10/03 - 1230 1140 30-60 30-60 199 B x x
Signum   05/03 - 1230 1130 30-60 30-60 199 B x x
Zafira A   04/99 - 1075 1055 35-60 30-60 42 B x x
Zafira B   07/05 - 1065
1155
1250
1250
20-50 20-50 6 B x x
Notes:
x = Kit not available
** Not for vehicles with IDS/EDC. This will need to be deactivated (where possible) if coilovers are fitted
6 - Not for vehicles with electronic damper control
11 - Excludes models with Auto Level Control
42 - In combination with orginal wheels and tyres, wheelspacers might be necessary.
164 - Rear axle shock absorbers are not adjustable for damping. Sport shock absorbers with a harder damping characteristic will be supplied.
182 - Only for vehicles where the rear shock absorber is attached at the bottom with an M10 bolt.
183 - Only for vehicles where the rear shock absorber is attached at the bottom with an M14 bolt.
195 - For vehicles with electronic damping, the electronic damping needs to be deactivated. (Use P/N 68510175 or 68510228 for VXR/OPC)
199 - For vehicles with electronic damping, the electronic damping needs to be deactivated. (Use P/N 68510253)
z - Lowering on Nurburgring/ClubSport models will be different
All lowering figures quoted are approximate.
Other applications available - Please contact us if your car is not listed

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Courtenay Sport Vauxhall Tuning
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 Vauxhall Tuning

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