Precision comes as standard
Discover our range of custom-built, high-quality suspension solutions, developed and manufactured here in Germany.
For Racing Use Only, of course.
DISCLAIMER:
Here at 4RUO, we do research. We make parts. We build shock absorbers. We are a SUSPENSION ENGINEERING FACILITY.
If you choose to use our products, components, and expertise, on the public highway, you do so at your own risk. It is you, the owner/ operator’s responsibility to ensure that the vehicle and aforementioned components, meet all the necessary highway legal standards, and complies with the legislation for the particular highways where the vehicle will be used.
We offer no guarantee that our systems, or the components thereof, can be certified in whichever jurisdiction you operate from.
Individual certification of our systems may or may not be possible, but that’s you, the consumers responsibility. Our systems are for designed and destined FOR RACING USE ONLY.
Nürburgring born
Our local track is open most days, and we use it a lot
Full service
We rebuild top-line shocks from Penske, Öhlins, Bilstein & more!
Unstoppable
With full CAD/CAM & machining capabilities on-site, we make our own parts to the highest specs
Solutions
We create racing suspension applications from scratch
SHOCK SERVICE
From restoring neglected race dampers and giving them new life. To designing a state-of-the-art damper set with the same qualities and perfection of a Swiss Watch. To creating components out of rare alloy metals and finishing them into the suspension assembly that you need to accomplish your goals.
SUSPENSION SERVICEBESPOKE ENGINEERING
With our own mills, lathes and in-house expertise, we're ready to change your problem into a glistening state-of-the-art solution.
BESPOKE