Featuring the Leopard line of brushless motors and water jackets, a brand know for superior quality at an affordable price. Brought to you by Atomik RC your one stop online RC Shop. Motor Type: 4-Pole Brushless Inrunner Vented Motor. Max Current: 60A. Battery Cell Count: 16V. RPM V (KV): 3580kv. Max Watts: 1000W. Shaft Length: 12mm. Shaft Diameter: 4mm. Length: 2.1in (54mm). Weight: 5.1 oz (145g).