the best way is to get put on the waiting list. go to kyosho America. find your part number and click on the "put me on the waiting list" once the part comes in stock you will get an email. this also tells them that people are wanting this part and should get ordered faster to be back in stock. its kind of like a grocery store. the popular items may have 50-100 in stock or ordered. the less popular will get 5-10 items ordered in and that makes those parts sell out faster.