ST Suspensions® - ST X Coilover Lowering Kit

15 reviews|Item # sp2834
$849.99 - $1,147.49
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ST X Coilover Lowering Kit by ST Suspensions®. The ultimate in performance, style and handling, ST height adjustable coilover kits are precision engineered and road tested to the highest standards of the German TÜV. Our threaded shock bodies allow you to customize vehicle ride height to the maximum, without compromising safety, functionality or superior driving performance.


  • Matched damper and spring rates
  • Corrosion resistant Zinc threaded strut housing
  • Height adjustable on all 4 corners
  • Integrated rising rate elastomeric bump stop
  • Self centering dust boot for insured durability

Founded in 1979 in Sanger, California, ST Suspensions® has specialized in the production of performance-oriented coil springs, shock absorbers, sway bars, and coilovers for automotive enthusiasts. The consistent high quality and cutting edge functionality of their products first earned the company respect among demanding southern California custom builders and racers in their home area. As word of mouth spread, ST Suspensions grew over the decades into the international supplier they are today. ST merged with German based KW Suspensions in 1995, and draws on a wealth of engineering talent that has been involved in world class racing series and produced joint products with automotive manufacturers such as AMG, Roush, and Viper. Our website is proud to offer best values on a full lineup of ST Suspensions coilover kits, anti-sway bars, coil springs, shock absorbers, bushings, and individual replacement parts which prove that lowered style and ride comfort are not mutually exclusive.


Warrants that its Products will be free from defects in material and workmanship for 2 years on Springs, Shocks, Swaybars; 1 year on Bushings, Bump stops and Ball Joints; 5 Years on Coilovers from the date of purchase by the Original Purchaser. This warranty does not apply to any Products that have been subjected to misuse, mishandling, misapplication, neglect (including but not limited to improper maintenance), improper installation, or alterations.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More



Every Customer can leave a review about our service and the product that was purchased. In order to leave your review for your new product, please follow the link in the email you receive after completing your purchase. You can rate appearance, ease of installation, price/value and product quality.

ST Suspensions® - ST X Coilover Lowering Kit
ST Suspensions® - ST X Coilover Lowering Kit
Average Rating: 4.7 of 5
4.5 of 5
Great Product And Fast Shipping
The kit was shipped quickly and recently installed them on my 740il. Very high quality product and installation was relatively easy. The ride is very smooth and love that you can adjust the height. Excellent product!
Posted by (West Caldwell, NJ) / 1998 BMW 7-Series
Was this review helpful for you? Yes
4 of 5
Love the color, improve the car's handling! Love the fact that I can adjust my ride height anytime.
Posted by (Brentwood, NY) / 2008 BMW 3-Series
Was this review helpful for you? Yes
4.8 of 5
Suspension Technique
Really nice quality and a great look. Provides a great ride while being lower to the ground. Much better deal then springs and struts separately.
Posted by (Mason, OH) / 2008 Mazda 3
Was this review helpful for you? Yes
5 of 5
Love It!
My car look more aggressive now that it's lowered.
Posted by (Joliet, IL) / 2014 Ford Focus
Was this review helpful for you? Yes
4.8 of 5
Wish I Did It Sooner
The kit looks better then the picture, easy to install in half a day with some experience (instructions are mostly in German). Rides smoother than I expected for being sport suspension and handles better. Also tucking stock 14" wheels and tires is a plus. With a 2001 Cabrio the factory Jack in the trunk makes it so you don't have to drive onto blocks.
Posted by (Elizabeth City, NC) / 2001 Volkswagen Cabrio
Was this review helpful for you? Yes
3.8 of 5
1999 Audi A4 1.8t ST Suspensions® 90602
At first I was fairly bummed I couldn't find something that would go lower. However, I went ahead a purchased them after all the reviews and seeing that everyone seemed to be satisfied with them. I then received them and put them on and could not believe the stance and the ease (minus the rear) of installation. So all this to say this is one hell of a product and will recommend these coil overs to everyone. I am very satisfied and I would also like to thank the CARiD team for your extremely helpful customer service.
Posted by (Yukon, OK) / 1999 Audi A4
Was this review helpful for you? Yes
5 of 5
The product was everything it was advertised, the install was not at all overly complicated or difficult the shipping was fast could not be more satisfied.
Posted by (Staten Island, NY) / 1996 BMW 3-Series
Was this review helpful for you? Yes
4.8 of 5
Great Looks
Looks is great very good performance no hard drive no bumping better than stock ride I love the Fender gap you can set up the gap wherever you want just little hard to set of but you can do that price is very good and the service is excellent quick shipping CARiD is my favorite website I would love to recommend this website to everyone great service great staff.
Posted by (Moreno Valley, CA) / 2011 Dodge Charger
Was this review helpful for you? Yes
5 of 5
St Suspension
Great product all around. Super clean and easy. Progressive springs make this the beat lowering kit I've ever used. From slammed on the floor or a subtle drop it handles amazing and takes bumps like a Cadillac.
Posted by (Seaford, NY) / 2009 Volkswagen Tiguan
Was this review helpful for you? Yes
5 of 5
2001 BMW
Posted by (Garden Grove, CA) / 2001 BMW 5-Series
Was this review helpful for you? Yes
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Low Prices Price match guarantee
Guaranteed Fitment Always the correct part
In-House Experts We know our products
Easy Returns Quick & Hassle Free

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