The VRP Associated RC8B3 Aluminum Center Upper Plate is CNC machined from American 7075 grade aluminum. This center diff plate is a direct bolt on and features an additional servo brace to help eliminate servo trayNOTE: This is not compatible with Hitec servos. flex, and improve braking power with less servo torque. This helps to reduce strain on the servo and provide a more consistent brake feel during long runs. Package includes center plate and hardware.