Graphite servo saver for Semi-Split Bulkhead. The servo saver features conical springtime that's longer and stronger. The conical spring allows 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 will not change while operating. To make certain servo saver reliability, the servo saver elements are moulded from graphite item that'll be more resistant and efficient in dusty conditions.