Extreme Heavy-Duty Upgrade Kit

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.

Extreme Upgrade Kit Features:

• Maxx®Duty driveshafts with 6mm stub axles
• Heavy-duty caster blocks, steering blocks, hub carriers, and shock towers
• Made from our toughest cold-weather composite material
• Steel wheel hexes
• Oversized sealed bearings
• Installation hardware included
• Fully compatible with HD suspension arms
• May not work with sway bars or other accessories