AST Suspension Lowering Springs (30mm/30mm TUV) - 2011-2018 Audi A6 Avant 3.0TDi (4G) G37 2015 Toyota 4Runner TRD Pro

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AST Suspension Lowering Springs (30mm/30mm TUV) - 2011-2018 Audi A6 Avant 3.0TDi (4G) G37 2015 Toyota 4Runner TRD ProAST Lowering Springs for the 2011 2018 Audi A6 (4G) 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. Features