AST Suspension Lowering Springs (40mm/40mm) - 1982-1991 Audi 100 Turbo (43)

The AST Suspension Lowering Springs for the 1982-1991 Audi 100 (43) are high-performance coil springs designed to reduce ride height by 40mm, enhancing handling and aesthetics. Constructed from premium high tensile chromium-silicone wire, these springs are carefully handpicked by AST engineers for their quality and metal consistency. Each spring undergoes a rigorous manufacturing process including cold winding, heat treatment to increase hardness and reduce internal stresses, shot peening, phosphate treatment, and powder coating to ensure durability and longevity. The progressive rate design on most vehicles provides improved ride comfort and stability, making these springs suitable for enthusiasts seeking both performance and reliability.

These lowering springs are engineered specifically for the 1982-1991 Audi 100 (43) models, offering a direct bolt-on upgrade that maintains compatibility with the vehicle’s existing suspension components. They are ideal for street performance, daily driving, and moderate track use, providing a lowered stance without sacrificing ride quality. The springs are compatible with vehicles equipped with Electronic Damping Control (EDC), ensuring proper function and ride comfort. Installation involves replacing the factory springs, and the kit includes the set of springs ready for a straightforward upgrade. These springs are designed to improve handling dynamics while maintaining durability under demanding driving conditions.