V4 spec motors are now in stock and available!
http://shop.speedpowerrc.com/competition-v4-0/
We've had a lot of our top spec drivers testing them in 17.5 2wd buggy, shortcourse, 13.5 wheeler, USGT, TC, and all the other spec classes. Everyone has given positive feedback and noted they run faster with less heat than other motors they were running.