AST Suspension Lowering Springs (35mm/25mm) - 2015+ Kia Optima Sedan 1.6CRDi/1.7CRDi whiteline 2009 Audi A4 Base

2009 Audi A4 Base

1972 BMW 2002 2

2017 BMW 2 Series Coupe M235i M240i AWD (w/ EDC)

2004 Audi A6 (Quattro)

2000 Mazda Miata/MX-5 1

AST Suspension Lowering Springs (35mm/25mm) - 2015+ Kia Optima Sedan 1.6CRDi/1.7CRDi whiteline 2009 Audi A4 BaseAST Lowering Springs for the 2015+ Kia Optima 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