Optional sway bar kit for the Traxxas 1/16 Revo, Rally, or Slash FEATURES: Front and Rear application to reduce chassis roll in turns and add stability YOU WILL RECEIVE: six sway bars two mounts two linkage sets mounting hardware REQUIREMENTS: installing at front and rear of chassis NOTE: when use with Hot Racing rocker arms (VXS27) you will need to purchase four M2.5 nuts.