this is the optional Hot Racing carbon fiber steering arm aluminum knuckle block for the Traxxas Revo 3.3, E-Revo, E-Maxx (new), Summit, or Slayer
aluminum constructionblue in colorCNC machined aluminum o-ring set screw with Delrin cupreplaceable carbon fiber steering arm
two aluminum steering blocks two carbon fiber steering armfour aluminum pivot ball screw with o-ringtwo 12mm x 21mm rubber shield bearingstwo 6mm x 15mm rubber shield bearings