$170.00 bucks!!!! Dont forget you will need to order a charger and a couple of battery packs another $150.00 (on the low end) $320.00 plus whatever shipping will be. oops I forgot, you will need a Gyro also. The gyro conversion kit is not the gyro. another $70.00 for a decent one.
if you do this conversion this route, you will be out of over $400.00.