XL52A19 Servo Horn For 520/550

15mm Servo horn for protos 380 （21T for XLDS304 servo)

This is the conversion kit for XL380 to 380evo.Includes：MSH41182 Magnet canopy support KitMSH41178 Tail control rodMSH41172 Vertical finMSH41168 Tail pitch leverMSH41167 Tail pitch supportMSH41166 Guide pulleyMSH41165 Tail box cover with...