stock os12 tz is great motor in bang for your buck. and if your new its only 200$ so if you make some mistake tuning or running to hot etc its only cost you 200$ rather then paying for the nova name

my last motor was a std tz and i ran it on small the medium sized tracks and there was nothing in it between others i was racing against with very expensive donks, so you wont be dissapointed if you choose this motor.