• 540 4-Pole 3900kv, Sensorless Brushless Motor

Feel the KA power with our newest 540 4-pole motors. These motors are rated at 3950-4300kv so that you can run them pretty hard on 3s.


  • Agressive Good Looks
  • Fully Rebuildable
  • High Strength 1/8" steel pinion shaft
  • Bolts into all 1/10th scale vehicles that accept a 540 size motor.
  • Top Knotch Silicone Insulated wire....not the thin fabric common on many RTR's today.
  • 30 day US warranty for issues not related to overtemp.
  • Last but not least....KickAss Performance!

We are sure you will be pleased with the performance and durability of the SRS KA2 540 size motors.

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540 4-Pole 3900kv, Sensorless Brushless Motor

  • $54.95

Tags: 540, 4-Pole, 3900kv, Sensorless, Brushless, Motor, Motors, (540), ScottyRocket, Speed