The Center Pin Bush (Set of 4) for Eicher 5660 Power Steering Model Tractors is a set of high-quality bushes designed to support the central pin or pivot in the steering mechanism of these tractors. Crafted from durable materials like gun metal or similar alloys, these bushes serve as bearing sleeves that facilitate smooth and stable pivoting of the steering components. They help reduce metal-to-metal contact, minimize wear, and enhance the longevity of the steering system, ensuring better steering control and operational efficiency in heavy-duty agricultural tasks.