AST Suspension Lowering Springs (40mm/40mm) - 1972-1982 Mercedes-Benz SL-Class 350SL/350SLC/380SL/380SLC/420SL/420SLC/450SL/450SLC (W107R) whiteline-subframe-lock-kit Part Number F506W Part Name

Part Number F506W Part Name RS-R Down Sus Lowering Springs Vehicle 2017-2023 Subaru Impreza Sport Hatchback Ride-Height Adjustable No Spring Type Progressive Approximate Drop - Front -25mm to -30mm (-1

2018 BMW 6 Series Coupe/Convertible RWD (w/o Adaptive Drive)

VR6 Sport (3C) are engineered to be up to the task with top spec

1982 Nissan Sentra Base (B11/B12/B13/B14/B15)

1997 BMW 7 Series RWD (E38)

AST Suspension Lowering Springs (40mm/40mm) - 1972-1982 Mercedes-Benz SL-Class 350SL/350SLC/380SL/380SLC/420SL/420SLC/450SL/450SLC (W107R) whiteline-subframe-lock-kit Part Number F506W Part NameAST Lowering Springs for the 1972 1982 Mercedes Benz SL Class (W107R) 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