The Lesjofors Coil Spring - 4004294 is a superior quality coil spring designed for excellent performance and durability. This spring is made from high-grade steel for maximum strength and longevity. It features a progressive rate design that provides a smooth, progressive response for improved handling and ride comfort. This spring is also corrosion-resistant and designed to withstand extreme temperatures and environmental conditions. With its superior design, this spring is sure to provide reliable performance and long-lasting service.