Yes, I had to double check them and adjust them a little. They seem to work great on one 7 cell battery pack, pretty fast I would have left them in if I didn't already have the traxxas 550 motors. I might even switch back to them depending on how fast it is with the 550s. This build is a runner, light basher, crawler, monster, scale, all around simple fun so speed wasn't top on the priority list. Like I said I was happy with the 19t motors but haven't tried it with the 550s... will see.