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4pcs USAQ 5010 Brushless Motor 360KV 2-6S High Torque for 14-18 Inch Propellers
These are really great outrunners. We've tested this line and they work extremely well. Achieve higher efficiency with up to 16 propellers and up to 22.2V. This is 5010 360KV brushless motor, designed for either 14x5.5 propellers at or 22.2V at or larger propellers when lower voltage batteries are used. At 11.1V, larger or more efficient propellers can be used (only recommended for lighter efficiency configurations). Features aluminum front housing with four fan-style cooling holes that pump air through the motor while it runs. 2.Rear threaded

Price is $90.00
Price: $89.95