AST Suspension Lowering Springs (40mm/40mm) - 1974-1992 Volkswagen Scirocco (MK1/MKII/53/53B)AST Lowering Springs for the 1974 1992 Volkswagen Scirocco (MK1 MKII 53 53B) 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