A959B 27 Metal Differential for 1/18 Scale RC Cars - What it is: A durable, precision‑machined metal differential designed for 1/18 scale A959B, A969B, A979B and K929B cars. A direct upgrade from factory plastic diffs. - Why you need it: Improves torque transfer, boosts durability under high load, and reduces gear wear for reliable performance in racing and bashing. - Key benefits: - Metal construction for longer life and higher stiffness - Precise gearing for smooth engagement and consistent performance - Easy installation as a direct replacement - Enhanced traction and reduced wheel slip during aggressive driving - Compatibility and size: 1/18 scale; fits A959B, A969B, A979B, K929B models - Use scenarios: - Racing on varied surfaces where stable power delivery matters - Off‑road or carpet bashing with jumps and rough terrain for greater durability - Replacing a worn or damaged differential to restore handling and reliability - Maintenance tips: Check gear mesh and lubrication during maintenance; inspect seals as needed for optimal results This metal differential provides a reliable upgrade path, improving control and longevity for your 1/18 scale RC cars.