AST Suspension Lowering Springs (60mm/60mm) - 1997-2003 Audi A6 Sedan 4CYL (4B)

AST Suspension Lowering Springs (60mm/60mm) - 1997-2003 Audi A6 Sedan 4CYL (4B)AST Lowering Springs for the 1997 2003 Audi A6 (4B) are manufactured from a premium high tensile chromium silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle. Features