Where other two pole motors fail, the TrailMaster BL 540 comes through! This water resistant motor is made for the rocks and trails! Not just another relabeled racing motor, the TrailMaster uses a unique stator and rotor designed to meet the needs of off road trucks. Completely illegal in ROAR and IFMAR racing, totally tuned for best performance in rock crawlers, rock racers, and trail rigs! Only the finest materials are used in the Pro version to give you killer performance, high heat resistance, and maximum torque.