Graphite servo saver for Semi-Split Bulkhead. The servo saver features conical springtime that is longer and stronger. The conical spring helps you to absorbs more strength from track or crash. Makes driving easier on bumpy songs. The servo saver articles feature a locking system that ensures the servo saver environment won't change while operating. To make certain servo saver dependability, the servo saver components are moulded from graphite product that will be more resistant and efficient in dusty conditions.