Mamba Monster X paired with our 1512-1800Kv motor is capable of 2S to 4S LiPo and is perfect for 1:8th scale off-road and on-road vehicles as well as 1:10 scale 4WD SCT up to 9 lbs. You will have all the power your 1:8th scale vehicle demands with the smoother throttle control of a sensored motor. Mamba Monster X takes Castle’s legendary “monster” performance to a whole new level.