The Traxxas 8991 Front Complete Differential (fits Maxx) is a factory-assembled front differential designed to deliver smooth and reliable power distribution to the front wheels of your RC vehicle. Built for durability and consistent drivetrain performance, this Pro-Built differential comes pre-assembled and ready to install, including the differential unit, pinion gear, and bearings for quick replacement or maintenance. Specifically engineered for compatibility with the Traxxas Maxx RC truck, it helps restore traction, stability, and balanced handling during high-speed runs or off-road driving.