AST Suspension Lowering Springs (40mm/40mm) - 1992-1997 Toyota Corolla Wagon 4WD (E10) coilover-accessories 2003 BMW 7 Series (w/

2003 BMW 7 Series (w/ EDC)

2010 Volvo V50 T5 (P1)

2004 Hyundai Sonata GLS (EF)

2008 Toyota Corolla CE

AST Suspension Lowering Springs (40mm/40mm) - 1992-1997 Toyota Corolla Wagon 4WD (E10) coilover-accessories 2003 BMW 7 Series (w/AST Lowering Springs for the 1992 1997 Toyota Corolla (E10) 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.