B301 Funtech 903D TE Solid Mount Amazing pipe for the OS and YS 90's, high quality finish. We are running the Funtech pipes here and they put out awsome power.
H60157B V2 Tail Rotor Hub Use for T-REX 550E/600E/600N/ 700E/700N Use with: V2 Metal Tail Rotor Holder/Silver(HN6103A) Adds a shim between the thrust bearing and the radial bearing to avoid bearing failure