AST Suspension Lowering Springs (30mm/30mm) - 2011-2015 Kia Optima 1.7CRDi/2.4 (TF) whiteline-suspension-trailing-arm-bushing 1989 Volkswagen Vanagon GL (T3)

1989 Volkswagen Vanagon GL (T3)

2008 Mitsubishi Lancer Evolution Base (CS)

1989 Buick Skyhawk Custom (J-Body)

2012 Acura TSX Sedan Wagon 2

AST Suspension Lowering Springs (30mm/30mm) - 2011-2015 Kia Optima 1.7CRDi/2.4 (TF) whiteline-suspension-trailing-arm-bushing 1989 Volkswagen Vanagon GL (T3)AST Lowering Springs for the 2011 2015 Kia Optima (TF) 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.