This KYB suspension spring, part code RA4001, is meticulously engineered to restore your vehicle's original ride height and handling characteristics. Designed to meet or exceed OEM specifications, it ensures a balanced and comfortable driving experience. Crafted from high-quality materials, the RA4001 spring offers exceptional durability and resistance to fatigue, providing reliable support for your vehicle's suspension system over many miles. Its precise construction guarantees a perfect fit and optimal performance. Choosing KYB means opting for quality and reliability. This suspension spring is an ideal replacement for worn or damaged original parts, helping to maintain your vehicle's safety and driving dynamics.