Utilizes newly developed, highest spec and superior anti-wear material to increase the overall strength and durability for torque tube drive gear. Effectively minimize gear striping and crash damage. Must with HS1298 450V3 Torque Tube Drive Assembly H45038A Metal Tail Torque Tube Unit H45186 New Tail Torque Tube Unit
●Tail rotor shaft assembly x 2 ●Long umbrella gear x 2