【Fitment】Fit for: 3000-5000 Spring-Over Axle Configuration | Left/Right Pair | 1400 (lb) Capacity at 50% Compression 【Powerful Load-Bearing Capacity】Our suspension enhancement system will keep your vehicle level at all times, when your vehicle is fully loaded with cargo or towing a caravan for a family vacation, once installed, it remarkably amplifies the vehicle's load-carrying potential. 【Make Installation a Breeze】Quick and easy installation, taking little time and effort. It promptly fixes ride bumps and rattles, enhancing driving smoothness 【Ride Optimization】It quickly solves the problems of bumps and rattles during driving, improves the handling stability, reduces body roll and sway. Whether the vehicle is empty or loaded, it can buffer the road shocks and bring a soft and smooth riding experience to ensure a comfortable journey 【High-Quality Material Construction】Made from microcellular polyurethane with full memory rebound, this material is not only durable but also provides a long service life. The proprietary closed-cell urethane structure enables a smooth and progressive spring rate, laying a solid foundation for enhanced load-bearing