Graphite servo saver for Semi-Split Bulkhead. The servo saver features conical springtime that's longer and more powerful. The conical spring lets you absorbs more energy from track or crash. Makes driving easier on bumpy tracks. The servo saver articles function a locking system that ensures the servo saver environment won't alter while running. To be sure servo saver reliability, the servo saver elements are moulded from graphite item which will be more resistant and efficient in dusty conditions.