AST Suspension Lowering Springs (30mm/30mm TUV) - 2005-2009 BMW Z4 Roadster 2.0 (Z85) Charger 2008 Chevrolet Cobalt Sport (Delta)

2008 Chevrolet Cobalt Sport (Delta)

2012 Honda Civic 3-Door/5-Door 1

2007 Volkswagen Golf Variant 2

1995 Mazda 626 1

2008 Lexus RX350 FWD (XU30)

AST Suspension Lowering Springs (30mm/30mm TUV) - 2005-2009 BMW Z4 Roadster 2.0 (Z85) Charger 2008 Chevrolet Cobalt Sport (Delta)AST 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