The LESJOFORS 4121223 Front Heavy-Duty Coil Spring is engineered to enhance the suspension performance of heavy-duty vehicles, ensuring consistent ride height and improved handling under substantial loads. Manufactured from high-strength steel, this coil spring undergoes meticulous heat treatment and shot peening processes to achieve exceptional durability and fatigue resistance. A multi-stage coating process, including zinc phosphate and epoxy powder coating, provides superior corrosion protection, extending the lifespan of the spring and reducing maintenance costs. The pre-setting process ensures optimal performance and eliminates settling, maintaining consistent ride height and handling characteristics. LESJOFORS' rigorous quality control procedures guarantee that each spring meets or exceeds original equipment specifications, providing a reliable solution for your fleet's suspension needs. By choosing the LESJOFORS 4121223, you're investing in a product built to last, minimizing downtime, and lowering your overall maintenance costs. Experience the difference that OE-quality, rigorously tested suspension components make for your fleet. Invest in LESJOFORS today.