Traxxas 6710 Body Reinforcement for Rustler 4x4 (6717 Body) Body reinforcement set (fits #6717 body) Traxxas body reinforcement sets provide added protection for your Rustler 4x4 or Rustler during extreme driving. These high-strength composite reinforcements help spread impact forces through the body, ensuring long-lasting fun through the toughest landings and hardest hits.