MIP Extreme Heavy Duty X-Duty Rear Upgrade Drive Kit for Traxxas Hoss/Rustler 4x4/Slash 4x4Drive Kit Overview: This is the Traxxas Extreme Heavy Duty X Duty Rear Upgrade Drive Kit from MIP, designed to unleash the full potential of your Traxxas vehicles. Engineered for brutal bashing sessions, these driveshafts boast unmatched toughness, heat treated components, and corrosion resistant black oxide coating, ensuring durability and peak performance in any terrain. Note: Ball Bearings are not included in this kit Features: Forged from high