The LESJOFORS 4414231 Rear Coil Spring Set of 2 is engineered to provide superior support and stability for heavy-duty trucks and trailers. Designed as a direct replacement for original equipment, these coil springs ensure a precise fit, minimizing installation time and reducing vehicle downtime. Constructed from high-strength steel, each spring undergoes rigorous heat treatment and shot peening processes to enhance durability and resistance to fatigue. A multi-layered corrosion-resistant coating, consisting of zinc phosphate and epoxy powder coat, offers exceptional protection against environmental elements, extending the lifespan of the springs and reducing maintenance costs. The enhanced design of the LESJOFORS 4414231 springs addresses common weaknesses found in standard OEM components, resulting in improved ride comfort and vehicle handling. By maintaining the integrity of the suspension system, these springs help prevent premature wear on other critical components, thereby optimizing overall fleet performance. Investing in the LESJOFORS 4414231 Rear Coil Spring Set of 2 is a strategic decision to enhance the operational efficiency and reliability of your fleet. With a focus on quality and performance, LESJOFORS continues to deliver components that meet the demanding requirements of the trucking industry.