This kit includes our custom aluminum servo saver horn and mount for our RS40 Nano Servo to mount in the Losi Micro-B.  The aluminum horn is designed longer, and sits more forward to give full steering throw with proper alignment to the bellcrank. 

Kit includes: 

Aluminum servo saver horn
Aluminum servo saver spline adapter
Custom servo saver spring compression screw
Aluminum servo mount 
Hardware to secure the mount to the chassis. 

** The kit does not include the servo saver spring. You will use the spring that comes on the stock servo saver.