ZI du Cheix 23300 Saint Agnant de Versillat
contact@ressorts-dury.fr
05 55 89 69 00
Automotive Racing
Motorsport
High-performance springs to push the limits on the track
Expertise at the service of motorsport performance
For more than 60 years, Ressorts Dury has been supporting racing teams, preparation specialists and manufacturers involved in motorsport. Our expertise in the design and manufacture of technical springs allows us to meet the extreme performance and reliability demands of motorsport.
Our springs equip critical components: suspensions, clutches, sequential gearboxes, engine valves, actuators and braking systems. On the track, every spring directly contributes to the result.
Absolute precision and repeatability requirements
Motorsport tolerates no approximation: every spring must deliver perfectly controlled characteristics, race after race. At Ressorts Dury, we meet these requirements through:
- A consistency of characteristics (stiffness, load, length) guaranteed piece by piece
- Rigorous controls: dimensional, load, stiffness, endurance and fatigue resistance
- The ability to produce individual parts or matched sets for perfect balancing of suspension assemblies
- A maximum responsiveness – express manufacturing and delivery to meet emergencies between events
Materials and treatments built for competition
We master the processing of high-performance materials selected for their exceptional mechanical properties under extreme conditions:
- Chrome-silicon steels (CrSi) – the reference for competition suspension springs
- Titanium and titanium alloys – critical weight savings for suspensions and valves
- Chrome-vanadium steels (CrV) – high resilience and endurance under dynamic loads
- Inconel and refractory alloys – valve springs and engine components subjected to high temperatures
Each spring benefits from adapted heat and surface treatments (shot peening, cryogenic treatment, special coatings) ensuring optimal service life and performance under the extreme conditions of motorsport.
Why choose Ressorts Dury for your motorsport programme?
Exceptional responsiveness – the majority of our springs are designed, manufactured and delivered within 48 hours, even between two races. An integrated engineering department for co-development and optimization of your performance parts. A single dedicated point of contact for each programme. More than 60 years of experience serving mechanical excellence.