AST Suspension Lowering Springs (40mm/40mm) - 1974-1979 Volkswagen Jetta (MK1/17) S70 2017 BMW M4 Convertible (w/o

2017 BMW M4 Convertible (w/o Adaptive M Suspension)

1993 Honda Civic (EG-USDM)

5i (GD/GG) will reduce rear-end float particularly under acceleration

5i Special Edition

2011 Audi A4

AST Suspension Lowering Springs (40mm/40mm) - 1974-1979 Volkswagen Jetta (MK1/17) S70 2017 BMW M4 Convertible (w/oAST Lowering Springs for the 1974 1979 Volkswagen Jetta (MK1 17) 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