Velineon® VXL-3s Brushless Power System, waterproof (includes VXL-3s waterproof ESC, Velineon 3500 motor, and speed control mounting plate (part #3725R)) The ultimate upgrade! The key to the Velineons extreme power output is total system optimization. All of the components are carefully engineered to work seamlessly together. From the Traxxas High Current battery connector, to the powerful Velineon 3500 brushless motor, all parts of the system are optimized to eliminate restriction and allow maximum power flow. High-frequency transistors and advanced circuit design delivers incredibly smooth and refined throttle control. Replacement part for these models: 4-Tec® 2.0 VXL AWD Chassis Bandit VXL Drag Slash Rustler® 4X4 VXL Rustler® VXL Slash 4X4 Platinum Slash 4X4 Ultimate Slash 4X4 VXL Slash VXL Stampede® 4X4 VXL Stampede® VXL Accessory part for these models: Bandit 4-Tec® 2.0 AWD Chassis Bigfoot® No. 1 Officially Licensed Replica Chevrolet® Corvette® Stingray Factory Five 33 Hot Rod Coupe Factory Five 35 Hot Rod Truck Ford F-150 Raptor Ford Fiesta® ST Rally Ford GT® Ford Mustang GT Rustler® 4X4 Rustler® Slash 2WD UnAssembled Kit Slash 4X4 Slash Stampede® 4X4 UnAssembled Kit Stampede® 4X4 Stampede®