Fly with genuine fuel-burning 2-stroke power! Shop nitro RC helicopters at AMain, where you'll find everything from affordable, low-cost sport helis and scale replica models to extreme-performance aerobatic flyers and large-scale helis. AMain has engine-powered unassembled kit helicopters from top brands including Align, Ares, Blade, Mikado, SAB Goblin, and Synergy.