Ball drive shaft in lengthened version (XL). Made from high quality steel with an excellent resistance against torsion. Corrosion protected by a black coated layer. The conical springs that are delivered in the set should be placed with the biggest diameter first inside the drive cup. With this system the drive shaft will remain in the middle during driving. A higher amount of droop can now be installed on the car. The shafts fit with wishbones 18555 /18556 / 18557. The ball drives are compatible with FG en LB ball drive systems.