This is a great replacement for the 500 class helicopter.
500 Class Drive Gear Set
500 Class Strait Cut Main Gear (White)
500 Class Slant Cut Main Gear (White)
Tamco TAE001-14 Lower Gear Unit for EV.01 SPARE PART ONLY T48 Post
500 Class DFC Main Rotor Head Assembly
500 Class DFC Main Blade Grips / Holder
