ST X:A coilover kit that inspires from the beginning

The ST X coilover suspension was developed for the everyday driver who needs to hug the curves yet retain road comfort. Simple, uncomplicated road performance for those who just want to get in and drive. Add in our wide range of height adjustability; the ST X coilover will look as perfect as it feels.

  • Height-adjustable
  • Composite spring plate
  • Dust protection and bump stop

Individually Height Adjustable

ST XA coilover kits deliver precise adjustment to your ride height and look of your car. We manufacture an adjustable spring perch made of durable and friction-optimized polyamide composite material with a stainless steel insert. Thanks to the composite material corrosion is prevented between the strut and perch ensuring long lasting height adjustability.

Up to

85mm tested
adjustment range*

Seamless
height adjustment

Standard
Coilover
ST X Min.
lowering (10mm)
ST X Max.
lowering (85mm)
|
|
ST X adjustment range (up to 85mm)
|
 
 

Convinced? Lower your vehicle now!

Shop Now
*vehicle-dependent

Adapted to your car in every detail

Simply more driving dynamics due to adjustable rebound damping 

With our in 16 clicks adjustable rebound damping, it is possible to fine-tune the damper setup of your ST coilover suspension in a few manual steps and to adapt it to your requirements. The adjustable rebound damping allows you to individually adjust the recommended setup for your vehicle either tighter or more comfortable, to take influence on the suspension setup yourself. So you completely decide whether the driving behavior of your car shall be tuned even sportier, or rather comfortable. The rebound stage has the purpose to control the relaxation process of the suspension spring and to dampen its vibration.

Adjustable dampers only available at:

Adjustable unibal-top mount
only available at:

Precise handling due to adjustable Unibal top mounts.

The top mounts included with our ST XTA coilover kits allow you to adjust the camber at the front axle to dial in aggressive wheel and tire fitment. They also allow you to maximize the tire's contact patch for driving in fast corners and any other driving scenario that demands maximum grip.

What's available for your car?
Find Out

Galvanized Steel Struts,
Low Friction Materials,
with Layers of Protection

Galvanized zinc coated steel struts optimize corrosion protection for long lasting use. We add a dust protection system to prevent unwanted dirt and particulate from coming in contact with the hardened chrome piston rod or getting into the valve packs. We reinforce the system with a multi-layered pressure resistant sealing package, mono block guide system and a low friction piston band which works inside the pressure resistant internal damper housing.

Show all technical data

Unique Features

The high quality ST X coilovers have numerous unique features that provide unparalleled value and a long lasting durability.

Worldwide Dealer & Service Program

In addition to our unparalleled product quality, we also strive for the highest level or service.

Installation Instructions & Damper Settings

Find Yours Now

Worldwide Dealer Network

Dealer Locator

KW Quality – exclusively for ST suspensions

The ST suspensions coilovers benefit from our many years of experience in the development and production of suspension components for motorsport and the street. Each damper is hand assembled specifically for your order and put through rigorous quality control testing before being placed in your box for delivery.

The ST suspensions coilovers benefit from our many years of experience in the development and production of suspension components for motorsport and the street. Each damper is hand assembled specifically for your order and put through rigorous quality control testing before being placed in your box for delivery.