The AR310865 Differential Planet Gear is a precision-machined replacement gear designed to keep your ARRMA differential operating smoothly and efficiently. Engineered for durability and accuracy, this planet gear ensures consistent power distribution and reliable drivetrain performance under high-torque conditions. Features: Precision-machined for smooth and reliable operation Durable construction for long-lasting performance Ensures consistent power transfer within the differential Direct replacement for ARRMA differential assemblies Includes: 4 x Diff Planet Gear Features Tough and durable steel to withstand extreme RC action - Precision manufactured Gear Teeth for consistent performance in all conditions - Supplied in a set of four to provide replacements for one diff