AST Suspension Lowering Springs (40mm/40mm) - 1977-1981 BMW 5 Series 518/520/525/528i/535i (E12) 545i 2011 Mercedes-Benz E-Class Sedan (w/o

2011 Mercedes-Benz E-Class Sedan (w/o Airmatic)

2017 Subaru WRX STI Base (VA)

5i Chassis Code GD/GG Adjustable Yes Bar Color Silver Bar Diameter 24 mm Bushing Color Black Bushing Material Polyurethane Bushings Included Yes Finish Powder Coated Grade Type Performance Installation Difficulty Moderate Installation Time (hrs) 1 Kit Contents 1 Sway Bar

2 mm Bushing 1 Outer Diameter 31

AST Suspension Lowering Springs (40mm/40mm) - 1977-1981 BMW 5 Series 518/520/525/528i/535i (E12) 545i 2011 Mercedes-Benz E-Class Sedan (w/oAST Lowering Springs for the 1977 1981 BMW 5 Series (E12) 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.