This is the Black Extreme Heavy-Duty Upgrade Kit for the 1/10 Traxxas Rustler 4X4, Hoss 4X4, and Slash 4X4 models, including the Slash Ultimate.
The Extreme Heavy-Duty Upgrade Kit transforms your already-tough Hoss® 4X4, Rustler® 4X4, or Slash® 4X4 into the ultimate bashing machine. Engineered for extreme brushless power systems, the kit includes a full complement of driveline and suspension parts designed to work together as a complete package. Whether you're sending it at the skate park or preparing for a speed run, the Extreme Heavy-Duty Upgrade Kit is battle-hardened to withstand brutal punishment and come back for more.