This is a pair of the Steering Blocks. These Blocks support the Wheel Hubs and connect to the Front Suspension Arms and Steering Tie Rods.                                                                                                    FEATURES: Constructed of high impact plastic                                                       Replaces worn or damaged Steering Blocks                                                                                                              INCLUDES: Two Steering Blocks for the Traxxas Nitro Rustler and Stampede.                    Touring Cars with four metal inserts.                                                   All are Key #4336                                                                                                                                     REQUIRES: Inserting two 5mm x 10mm  ball bearings (can use DTXC1547), fastening                    to Front Suspension Arms (TRAC4831), and Tie Rods (TRAC4841).                                                                                       COMMENTS: For the optional aluminum version, order TRAC8136.