Liquid RC PO Box 3173 Nashua, New Hampshire 03061 United States of America. Hobbywing 38020440 Xerun Xr8 Pro G3 Esc & 3660sd 4200kv G3 Motor Combo 2-3s. Brand new item, sealed in original retail packaging. Xerun Xr8 Pro G3 Esc & 3660sd 4200kv G3 Motor Combo 2-3s made by Hobbywing. WARNING: This product contains a chemical known to the State of California to cause cancer. Please, check your mailing address! I will not change your address after the sale is made. School children know their address, you should too. Save for later: Add to My Favorite Sellers and Stores. Other items: Lots of other parts are available. Always: Have fun enjoying your models. Item weight: 1.5000 pounds.