High Torque Servo/Futaba J Connector/Water Resistant [Parts List | ] Genuine HPI quality spare part for easy maintenance and repairs. This is an upgraded steering servo for the Baja 5B 1/5th scale buggy. It features metal gears for extreme durability and is rated at 24kg/cm at 6v, making it extremely powerful and perfect for the heavy duty steering job required by the Baja! The standard plastic gear servo is rated at 6.5kg/cm. You can also upgrade your standard #80563 SFL-10 servo to a metal gear drivetrain with the #80584 Metal Gear Conversion Set.