AST Suspension Lowering Springs (25mm/15mm TUV) - 1998-2001 Audi S4 2.7TT (S4/B5)

The AST Suspension Lowering Springs for the 1998-2001 Audi S4 (S4/B5) are high-performance coil springs designed to reduce ride height by 25mm front and 15mm rear, enhancing handling and aesthetics. Constructed from premium high tensile chromium-silicone wire, these springs are carefully handpicked for quality and metal consistency. The manufacturing process involves cold winding, heat treatment to increase hardness and reduce internal stresses, followed by shot peening, phosphate treatment, and powder coating to ensure durability and longevity. These springs provide a progressive rate, offering improved stability and responsiveness during aggressive driving or spirited street use. Engineered for performance, they deliver a lowered stance without compromising ride comfort or safety.

Designed specifically for 1998-2001 Audi S4 models equipped with the 2.7TT engine, these springs are a direct replacement for the factory components. They are suitable for street and performance driving, offering a balance of lowered center of gravity and improved handling characteristics. Installation is straightforward as they are bolt-on replacements, compatible with the stock suspension setup. The kit includes the set of lowering springs, with no additional components required. These springs are ideal for enthusiasts seeking a lowered stance and enhanced handling on daily drivers or spirited street cars, ensuring consistent performance and durability over time.