Take your rock crawling adventures to the next level with this Overdrive Diff Gear Set, designed to enhance performance where it matters most. Master the Climbs: By increasing the rotational speed of the front wheels, this gear set gives you a powerful advantage on steep ascents, making tough climbs feel effortless. Sharper Steering: Overdrive improves front-end grip, delivering tighter, more responsive steering to navigate technical trails with precision. Precision Fit: As an official HPI upgrade, this part is engineered to exact factory specs, ensuring a seamless bolt-in installation.