AST Suspension Lowering Springs (30mm/30mm TUV) - 2005-2009 BMW Z4 Roadster 2.0 (Z85) Sportage 6inch)RWD: -45mm to -50mm (-1

6inch)RWD: -45mm to -50mm (-1

2006 Infiniti G35 RWD (V35)

1987 Chrysler Conquest Base (Starion)

or daily driving on your ZN6 Toyota 86

AST Suspension Lowering Springs (30mm/30mm TUV) - 2005-2009 BMW Z4 Roadster 2.0 (Z85) Sportage 6inch)RWD: -45mm to -50mm (-1AST Lowering Springs for the 2005 2009 BMW Z4 (Z85) 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