This is a CNC Machined Aluminum Steering Bellcrank system from ST Racing Concepts and is intended for use with the Traxxas Slash, Rustler and Bandit, as well as the Nitro Slash.  This system features a 3 piece design featuring a single CNC machined solid aluminum main bellcrank, providing slop-free, precision steering response (unlike other 2 pieces bolt together design of other manufactures). The steering bellcrank set also comes with a complete set of steering rack bearings for smooth steering operation.